Laboratory mini stenter Dryer
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Laboratory mini stenter Dryer
A Laboratory Mini Stenter Dryer is a compact, lab-scale machine designed to simulate the drying and heat-setting processes used in textile finishing. It mimics the function of industrial stenter machines but on a much smaller scale, making it ideal for testing fabric behavior, shrinkage, and finish quality under controlled conditions.
Key Features:
- Controlled Heating System
– Typically uses electric heating with adjustable temperature (up to 220–250°C).
– Ensures uniform and precise temperature control.
- Adjustable Fabric Width
– Equipped with clips or pins to hold and stretch fabric width-wise, simulating stenter frame action.
- Variable Speed Conveyor – Allows control over fabric dwell time for drying or heat-setting.
- Compact and Bench-Top Design – Space-saving design ideal for textile labs and R&D units.
- Digital Controls – Easy-to-use digital interface for setting temperature, conveyor speed, and process time.
- Transparent Viewing Window – Allows operators to monitor fabric movement and drying visually.
- Low Energy Consumption – Designed for lab use, consuming less power than industrial models.
Applications:
– Heat-setting of synthetic fabrics. Drying and curing of samples post-dyeing or printing.
– Evaluating fabric shrinkage, dimensional stability, and finish behavior.
– Testing chemicals and auxiliaries used in textile finishing.
Benefits of Laboratory Mini Stenter Dryer:
- Accurate Simulation of Production – Mimics industrial stenter conditions on a lab scale, ideal for pre-production testing and R&D.
- Cost-Effective Testing – Enables testing and fabric finishing without the high cost or space requirements of full-scale machines.
- Energy Efficient – Consumes less power compared to large stenters, making it economical for small-scale or frequent use.
- Precise Control – Offers accurate control of temperature, speed, and fabric tension, ensuring consistent results.
- Space-Saving Design – Compact and bench-top friendly, perfect for laboratories with limited space.
- Multiple Applications – Useful for drying, heat-setting, shrinkage testing, and evaluating chemical finishes.
- Faster Development Cycles – Speeds up new product development by allowing rapid sample testing and adjustments.
- Improved Fabric Quality – Helps optimize finishing parameters for better dimensional stability, hand feel, and appearance.
- Safe and User-Friendly- Designed with lab safety in mind, including temperature safety controls and easy operation.
Features of Laboratory Mini Stenter Dryer:
- Compact Bench-Top Design – Ideal for laboratory use with limited space requirements.
- Adjustable Temperature Control – Precise heating (usually up to 220–250°C) with digital controllers for accurate processing.
- Variable Conveyor Speed- Allows adjustment of fabric dwell time for different drying or heat-setting needs.
- Width Adjustment Mechanism – Equipped with clips or pins to stretch and fix fabric width-wise, simulating industrial stenter conditions.
- Transparent Viewing Window – Enables visual monitoring of fabric movement and drying inside the chamber.
- Digital Display Panel- Easy-to-use interface for setting and monitoring temperature, speed, and time.
- Stainless Steel Construction- Durable and corrosion-resistant for long-term use at high temperatures.
- Uniform Heat Distribution- Ensures consistent fabric treatment across the width.
- Safety Features- Over-temperature protection and insulated body for operator safety.
- Versatile Applications – Suitable for drying, heat-setting, shrinkage testing, and chemical finish evaluations.
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Automatic fixing dryer
Application:
used for simulating the production onsite to produce the textile that meets customer requirement,
including the time、temperature、resin auxiliary agent formula, elongation of the same textile, and
it is also can provide basis manufacture and to ensure the correctness of mass production.
Basic design as Automatic Fixing Dryer,also connect external steam for printing sample
steaming. Owing the wide adjusting ranges regarding temperature, humidity, dwelling time, this
apparatus can be used for :
a) Electric heating for drying, curing and thermofixation, room temp.~230℃.
b) Steaming with saturated steam 102±2℃
c) Electric heating and steam together for HT steaming between 102±230℃
Textile Testing Instruments
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Rapid Dryer Mini Stanter in Bangladesh
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Fastness Rotary Friction Tester
Fastness Rotary Friction Tester
A Fastness Rotary Friction Tester, also known as a Rotary Crock meter, is a specialized instrument used to evaluate the color fastness of textiles and materials when subjected to rotational rubbing. This test simulates the wear and friction that fabrics experience during use, helping manufacturers assess the durability of dyes and finishes. Purpose of Fastness Rotary Friction Tester The primary function of the Fastness Rotary Friction Tester is to determine how well a fabric's color withstands rubbing, both in dry and wet conditions. This is crucial for ensuring the longevity and appearance of textiles in real-world applications, such as clothing, upholstery, and footwear. Working Principle of Fastness Rotary Friction Tester The tester operates by applying a specified pressure to a fabric sample using a standardized rubbing finger covered with a test cloth. The rubbing finger performs a set number of rotational movements (typically 1.125 turns clockwise followed by 1.125 turns counterclockwise) over the fabric surface. After the test, the degree of color transfer to the test cloth and any changes in the fabric's appearance are evaluated against standardized gray scales. Common Testing Standards - AATCC 116: Colorfastness to Crocking: Rotary Vertical Crock meter Method. ISO 105 X16: Textiles—Tests for color fastness—Part X16: Color fastness to rubbing—small areas. - SATRA TM8: Color fastness to rubbing. Key Specifications of Fastness Rotary Friction Tester - Rubbing Head Diameter: Typically 16 mm. - Applied Pressure: Approximately 1134 grams (11.1 N). - Rotation: 1.125 turns clockwise followed by 1.125 turns counterclockwise. - Sample Size: Commonly 60 mm × 60 mm. - Test Cloth: Standardized white cotton cloth, either dry or wetted depending on the test condition. Benefits of Fastness Rotary Friction Tester - Realistic Simulation: Mimics the actual wear and friction fabrics undergo during use. - Versatility: Applicable to a wide range of materials, including textiles, leather, and printed fabrics. - Quality Assurance: Ensures products meet industry standards for color durability. - Standard Compliance: Aligns with international testing standards, facilitating global trade and quality benchmarks. Applications Fastness Rotary Friction Tester - Textile Industry: Assessing the color durability of garments, upholstery, and other fabric products. - Footwear Manufacturing: Testing the colorfastness of shoe uppers and linings. - Automotive Interiors: Evaluating the wear resistance of seat covers and other interior fabrics. Quality Control Laboratories: Routine testing to ensure product consistency and compliance with standards. Benefits of Fastness Rotary Friction Tester:- Accurate Colorfastness Evaluation- Provides precise assessment of how well fabric resists color loss and staining from rubbing.
- Simulates Real-World Wear - Recreates rotational friction found in actual use (e.g., seat covers, apparel wear points).
- Supports Wet & Dry Testing - Can test under both dry and wet conditions for comprehensive results.
- Standardized Testing - Complies with global standards (AATCC 116, ISO 105 X16), ensuring reliable and comparable results.
- Time-Saving & Efficient - Quick to set up and run, allowing for high-throughput testing in labs.
- Versatile Use- Suitable for textiles, leather, coated fabrics, and printed surfaces.
- Improves Quality Control - Identifies potential durability issues early in the production process.
- Enhances Product Performance - Helps in developing fabrics with better resistance to rubbing and abrasion.
- Rotary Rubbing Mechanism - Simulates 1.125 clockwise and 1.125 counterclockwise turns for realistic friction.
- Standardized Rubbing Head - Fixed diameter (typically 16 mm) with specified pressure (≈1134 g) for consistent results.
- Dry and Wet Testing Capability - Can perform tests using dry or wet rubbing cloths.
- Sample Holder- Secure and easy-to-use fixture for holding fabric samples in place.
- Test Cloth Mounting Arm- Quick attachment for standardized white rubbing cloths.
- Simple Operation - Manual or motorized operation depending on model; easy to handle for lab technicians.
- Compliance with Standards - Follows AATCC 116, ISO 105 X16, and SATRA TM8 protocols.
- Prepare the Sample - Cut a fabric piece (typically 60 × 60 mm) and condition it per standard requirements.
- Mount the Fabric - Secure the fabric sample on the sample holder or base plate of the tester.
- Attach Rubbing Cloth - Place a standard white test cloth (dry or wetted as required) over the rubbing head.
- Apply Pressure - Lower the rubbing head onto the fabric. Standard weight is about 1134 g.
- Start the Test - Operate the tester: the head performs 1.125 turns clockwise, then 1.125 turns counterclockwise.- Number of cycles (typically 10 or 20) is set based on the test standard.
- Remove and Inspect - After testing, remove the rubbing cloth and assess any color transfer using a gray scale.
- Evaluate Fabric Surface - Check the fabric for visible changes, fading, or wear.
- Record Results - Grade both staining and fabric change per standard gray scale ratings.

Digital Bench top PH Meter
Digital Bench top PH Meter

Digital Bench top PH Meter
Brand: Hanna Model: HI2002 Country of Manufacture: Romania Origin: USA
Digital Bench top PH Meter
Single parameter of Digital Bench top PH Meter features user-friendly tablet design with bench, portable or wall mount options for ultimate flexibility. Switch from portable to bench in the same procedure or clear the surface for easier working and hang on the wall. Digital Bench top PH Meter Range -2.00 to 16.00pH; pH Digital smart electrode compatible Accuracy: ±0.01 pH edge® pH is dedicated to testing pH. Using Hanna's latest innovation in technology and design, edge® can be adapted to suit your working method. Select from hand held, wall mount or bench top - or switch between them all. edge® is happy any which way. Simply plug in the electrode, then play. Measurement is simpler, quicker and more accurate than ever. Results are fast and reliable. Combining high precision technology with the user-friendly dimensions and format of a small digital tablet, edge® is breaking new ground in electrochemistry. This is a must-have meter for your laboratory.pH Range | basic mode: -2.00 to 16.00 pH; standard mode: -2.000 to 16.000 pH | |
Resolution | basic mode: 0.01 pH; standard mode: 0.001 pH | |
Accuracy (@25°C) | basic mode: ±0.01 pH; standard mode: ±0.002 pH | |
Calibration | basic mode: automatic, up to three points calibration, 5 standard buffers available; standard mode: automatic, up to five point calibration, 7 standard buffers available and two custom buffers | |
Temperature Compensation | automatic, -5.0 to 100.0°C (using integral temperature sensor) | |
Electrode Diagnostics | standard mode: probe condition, response time and out of calibration range | |
mV pH Range | ±1000 mV | |
Resolution | 0.1 mV | |
Accuracy (@25°C) | ±0.2 mV | |
ORP Range | ±2000 mV | |
Resolution | 0.1 mV | |
Accuracy (@25°C) | ±0.2 mV | |
Temperature Range | -20.0 to 120.0°C | |
Resolution | 0.1°C | |
Accuracy | ±0.5°C | |
Additional Specifications: | ||
Probe | HI-11310 digital glass body pH electrode with 3.5mm connector and 1m cable | |
Logging | up to 1000 (400 for basic mode) records organised in: manual log-on demand (max. 200 logs), manual log-on-stability (max. 200 logs), interval logging (max. 600 samples; 100 lots) | |
Connectivity | 1 USB port for storage; 1 micro USB port for charging and PC connectivity | |
Environment | 0 to 50°C; RH max 95% non-condensing | |
Power Supply | 5 VDC adapter (included) | |
Dimensions | 2020 x 140 x 12 mm | |
Weight | 250 g |
- High Accuracy and Resolution
- Digital Display - Large, clear LCD or LED screen shows pH readings, temperature, and sometimes mV or ion concentration. - Some models include a backlit display for better visibility.
- Electrode System - Uses a pH-sensitive electrode (usually glass) connected to a reference electrode. Electrodes are often replaceable and require regular calibration and maintenance.
- Temperature Compensation - Automatic or manual temperature compensation to correct pH readings based on sample temperature. - Integrated temperature sensors or separate probes are used.
- Calibration Functions - Supports 2-point, 3-point, or multi-point calibration using standard buffer solutions. - Auto-recognition of calibration buffers in advanced models.
- Data Storage and Connectivity - Internal memory for storing results. - USB or RS232 ports for data export to PCs or printers; some models support wireless connectivity.
- Sturdy Design - Benchtop models are larger and more stable than portable meters. - Often come with a durable casing and electrode arm for hands-free operation.
- High Accuracy and Precision
- User-Friendly Interface- Digital displays (LCD/LED) make readings easy to see and interpret.- Many models offer intuitive controls and guided calibration, simplifying operation.
- Advanced Calibration Features- Supports multi-point calibration for improved accuracy across a wide pH range.- Some models automatically recognize buffer solutions, reducing user error.
- Temperature Compensation- Automatic temperature compensation (ATC) corrects readings based on sample temperature, ensuring accuracy.
- Stable and Durable Design- Benchtop units are more robust and stable than handheld devices, reducing the risk of spills or tipping.- Often include electrode holders or arms for secure, hands-free measurements.
- Data Management and Connectivity- Built-in memory for storing measurement data.USB, RS232, or wireless connectivity for exporting data to computers or laboratory information systems (LIS).
- Multi-Functionality- Some models also measure ORP (oxidation-reduction potential), ion concentration, or conductivity.- Suitable for a variety of testing needs beyond just pH.
- Ideal for Long-Term Use- Designed for prolonged and repeated use in laboratory environments.- Replaceable electrodes and parts extend the meter’s usable life.
- Compliance and Documentation- Data logging features support documentation and compliance with regulatory standards in regulated industries (e.g., pharma, food, environmental testing).
Fiber Oil Fast Extractor
Fiber Oil Fast Extractor
A Fiber Oil Fast Extractor is a laboratory instrument designed to determine the oil or finish content in fibers, yarns, or fabrics, particularly wool and synthetic materials. It operates on the principle of solvent extraction followed by evaporation. Working Principle of Fiber Oil Fast Extractor:- Sample Preparation: Cut the fabric or fiber into small pieces.
- Solvent Addition: Place the sample into a metal tube and add an appropriate solvent (e.g., petroleum ether, ethyl ether).
- Extraction: Apply weight to the sample to facilitate the dissolution of oils into the solvent.
- Evaporation: The solvent-oil mixture drips onto a heated plate where the solvent evaporates, leaving behind the oil.
- Measurement: Weigh the remaining oil and calculate its percentage relative to the initial sample mass.
- Accurate Oil Content Measurement- Precisely determines oil or finish content in fibers, crucial for quality control.
- Rapid Extraction Process - Delivers fast results, improving lab efficiency and productivity.
- Simultaneous Multi-Sample Testing - Multiple workstations (e.g., 4 at once) reduce testing time for bulk samples.
- Improved Product Quality - Helps maintain consistent oil levels, which affect dyeing, processing, and fabric performance.
- Automatic Operation - Automated pressing and heating reduce manual effort and operator error.
- Digital Monitoring - Built-in timer, temperature control, and oil calculator enhance accuracy and usability.
- Compliance with Standards - Supports industry methods like GB/T 6504-2017, ensuring reliable and standard-compliant results.
- Safe Solvent Handling - Enclosed design minimizes solvent exposure and evaporation loss.
- Multiple Test Stations - Usually equipped with 2 to 4 independent work units for parallel testing.
- Automatic Weight Pressing System - Applies consistent pressure on samples for uniform solvent extraction.
- Microcomputer Temperature Control - Maintains precise heating (typically 90–120°C) with ±1°C accuracy.
- Built-in Timer and Calculator - Allows setting extraction time and calculates oil content directly.
- Solvent Evaporation Plate- Heats and evaporates solvent quickly, leaving only the oil residue.
- Digital Display - Shows time, temperature, and process status for user-friendly operation.
- Compact and Durable Design - Made with corrosion-resistant materials suited for chemical handling.
- Safety Features - Includes overheat protection and enclosed solvent chamber to reduce exposure risk.
- Standard Compliant - Designed to meet GB/T 6504-2017 and similar industry testing standards.
- Prepare the Sample - Cut 5–10 g of fiber or yarn into small pieces and place in the sample tube.
- Add Solvent - Pour a suitable solvent (e.g., petroleum ether) into the tube to cover the sample.
- Apply Weight - Place the extractor's weight or press system onto the sample to aid extraction.
- Start Extraction - Activate the machine. The solvent dissolves the oils and flows to the heating plate.
- Heat for Evaporation - Set the temperature (typically 90–120°C). The solvent evaporates, leaving oil on the plate.
- Measure Oil Content- After drying, weigh the remaining oil. Use the built-in calculator or formula:
- Clean the Unit - After cooling, clean all parts to prepare for the next test.
Fiber Oil Fast Extractor
Spray Rating Tester
Spray Rating Tester

Spray Rating Tester
- Quick and Simple Evaluation - Offers a fast way to assess fabric water repellency without complex setup.
- Standardized Testing- Complies with AATCC 22 and ISO 4920, ensuring globally accepted results.
- Cost-Effective- Low maintenance and no power requirement make it economical for routine lab use.
- Improves Fabric Performance - Helps manufacturers develop or improve water-resistant textiles.
- Non-Destructive Test - Does not damage the fabric, allowing for additional tests on the same sample.
- Visual Grading- Easy to interpret using a standard spray rating chart (0 to 100 scale).
- Supports Quality Control - Detects finish degradation or variation in water-repellent treatments.
- Portable and Compact- Lightweight design allows easy use in various lab or field settings.
- Standardized Spray Nozzle - Delivers consistent water spray per AATCC and ISO specifications.
- 45° Specimen Mounting Angle - Ensures uniform test setup for accurate and repeatable results.
- Stainless Steel or Aluminum Frame - Corrosion-resistant and durable for long-term use with water exposure.
- Water Reservoir and Funnel System - Provides precise water volume (usually 250 ml) for each test.
- Graduated Spray Stand- Fixed height (150 mm above specimen) for controlled spray impact.
- Detachable Specimen Holder- Easy loading and removal of fabric samples.
- Compact and Lightweight Design - Portable and convenient for both lab and field testing.
- No Electricity Required - Fully manual operation increases reliability and reduces operating costs.
- Prepare the Sample - Cut fabric to standard size (usually 180 × 180 mm). - Condition the sample if required (21°C, 65% RH for 24 hours).
- Mount the Fabric - Place the fabric on the specimen holder at a 45° angle.
- Fill the Reservoir - Pour 250 ml of distilled water into the upper funnel.
- Start the Test - Release the water through the nozzle; it sprays over the fabric for about 25–30 seconds.
- Inspect the Fabric - After spraying, visually assess the water beading or penetration on the surface.
- Rate the Sample - Compare the fabric’s wetting pattern with the standard spray rating chart: - 100 = No sticking/wetting - 90–50 = Partial wetting - 0 = Complete wetting
- Record the Rating - Document the spray rating for quality control or reporting.

Laboratory tenter
Laboratory Tenter
A Laboratory Tenter (or Lab Stenter) is a small-scale version of an industrial tenter machine used in textile finishing. It is designed for heat-setting, drying, and finishing of fabric samples under controlled conditions in textile testing labs or R&D departments. Key Features:- Heat-Setting and Drying - Simulates the process of setting fabric dimensions and applying finishes using controlled temperature and tension.
- Fabric Width Control - Uses clips or pins on chains or rails to hold fabric edges and stretch them to desired width, just like in full-size tenters.
- Adjustable Temperature and Speed - Digital controls allow precise setting of drying/curing temperature and conveyor speed to match production conditions.
- Compact Design - Bench-top or floor-standing units suitable for labs with limited space.
- Transparent Viewing Chamber - Allows visual inspection of fabric behavior during processing.
- Versatile Application Range - Can process woven, knitted, and nonwoven fabrics of various compositions (cotton, polyester, blends, etc.).
- Accurate Simulation of Production - Replicates industrial finishing processes for reliable lab-scale testing and development.
- Improves Fabric Quality- Allows precise control of heat and tension, optimizing fabric properties like shrinkage, dimensional stability, and hand feel.
- Cost-Effective - Enables process trials and fabric development without using full-scale production equipment.
- Speeds Up R&D - Facilitates quick testing and adjustment of settings for new fabric styles or finishes.
- Versatile Applications - Suitable for drying, heat-setting, finishing, and evaluating different types of fabrics and treatments.
- Space-Efficient - Compact design fits easily into textile labs or sample rooms.
- Energy Efficient- Uses less power than industrial machines, ideal for small-scale and repeated testing.
- Process Control and Reproducibility- Digital controls ensure consistent and repeatable results, aiding in quality assurance and product development.
- Enhances Safety - Built with lab use in mind, featuring insulation and safety systems to protect users.
- Precise Temperature Control - Digital temperature setting (typically up to 220–250°C) for accurate heat-setting and drying.
- Adjustable Fabric Width - Equipped with clip or pin chains to hold and stretch fabric across the width, simulating real stentering.
- Variable Conveyor or Chain Speed- Adjustable speed to control fabric dwell time during processing.
- Compact and Lab-Friendly Design - Designed for bench-top or small floor space use in textile labs.
- Transparent Chamber Window - Allows monitoring of fabric behavior during treatment.
- Digital Display and Control Panel - Easy operation for setting temperature, speed, and time.
- Uniform Heat Distribution- Ensures even treatment across the fabric width for accurate testing.
- Stainless Steel Construction - Durable, corrosion-resistant body for long-term use at high temperatures.
- Safety Features - Includes over-temperature protection, insulated body, and emergency stop functions.
- Sample Versatility - Suitable for various fabric types (woven, knit, synthetic, blends) and lab finishing tasks.

laboratory mini tenter
Laboratory hydro Extractor
Laboratory Hydro Extractor
A Laboratory Hydro Extractor is a compact, high-speed centrifuge used in textile labs to remove excess water from fabric or yarn samples after dyeing or washing. It works on the principle of centrifugal force, efficiently reducing moisture content before drying. Key Features:- Centrifugal Water Extraction - Uses high-speed spinning (typically 1400–2800 RPM) to extract water from textiles.
- Stainless Steel Inner Basket - Perforated drum holds fabric/yarn securely and allows water to drain efficiently.
- Compact Lab Design - Space-saving unit designed specifically for laboratory sample sizes.
- Digital Timer and Speed Control - Allows precise setting of spin duration and RPM to match sample needs.
- Safety Lock System - Ensures the lid remains closed during operation for user safety.
- Quick Water Removal - Significantly reduces drying time by extracting up to 90–95% of water content.
- Low Noise and Vibration - Balanced design ensures quiet and stable operation.
- Efficient Water Removal - Rapidly extracts 90–95% of water from samples, reducing drying time significantly.
- Saves Time and Energy - Cuts down the load on dryers and shortens total processing time in lab workflows.
- Improves Sample Quality - Gentle spinning preserves fabric structure, avoiding damage or distortion.
- Precise Control - Adjustable speed and timer ensure optimal settings for different fabric types.
- Compact and Lab-Friendly - Small footprint ideal for laboratory use with limited space.
- User Safety - Safety lock prevents lid opening during operation, protecting the user.
- Cost-Effective - Reduces the need for extended dryer use, saving on electricity and equipment wear.
- Versatile Use - Suitable for yarn, fabric, and garment samples across various fiber types.
- High-Speed Centrifugal Operation - Typically runs at 1400–2800 RPM for quick and efficient water removal.
- Stainless Steel Inner Drum - Corrosion-resistant, perforated basket for durability and efficient water drainage.
- Digital Timer and Speed Control - Allows precise control of spin duration and speed based on sample type.
- Compact and Portable Design - Ideal for lab environments with limited space.
- Safety Lock Mechanism - Prevents the lid from opening while the machine is in operation.
- Shock Absorption System- Reduces vibration and noise for smooth, stable performance.
- Quick Cycle Times - Short dewatering cycles improve lab throughput and efficiency.
- Low Maintenance Design - Simple mechanical setup with easy-to-clean components.
- Sample Versatility - Suitable for small fabric swatches, yarns, and small garments.
- Energy Efficient - Uses minimal power while delivering high performance.
- Prepare the Sample - After dyeing or washing, gently squeeze excess water from the fabric or yarn sample by hand.
- Load the Sample - Open the lid and place the sample evenly in the stainless steel drum. - Avoid overloading or uneven placement to maintain balance.
- Close the Lid securely - Ensure the safety lid is properly closed and locked.
- Set the Timer and Speed - Use the control panel to set the spin time (typically 1–5 minutes) and RPM suitable for the sample type.
- Start the Machine- Press the start button. The extractor will spin at the selected speed to remove water via centrifugal force.
- Wait for Spin Completion - The machine will automatically stop after the timer runs out.
- Unload the Sample - Once the drum stops completely, open the lid and carefully remove the sample.
- Proceed to Drying - The dewatered sample can now be air-dried or placed in a drying oven or stenter.

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Laboratory hydro ExtractorRandom Tumble Pilling Tester
Random Tumble Pilling Tester
The Random Tumble Pilling Tester is a specialized instrument designed to assess the pilling resistance of textile fabrics. Pilling refers to the formation of small, fuzzy balls (pills) on the fabric surface due to wear and friction. This tester simulates the wear conditions that fabrics experience during actual use, providing valuable data on their durability and appearance retention. Purpose of Random Tumble Pilling Tester The primary function of the Random Tumble Pilling Tester is to evaluate how fabrics resist pilling, fuzzing, and matting. This assessment is crucial for manufacturers aiming to ensure the longevity and aesthetic quality of their textile products. Working Principle of Random Tumble Pilling Tester The tester operates by placing fabric specimens into cylindrical test chambers lined with cork. Inside each chamber, a stainless steel impeller rotates at a high speed (typically around 1200 revolutions per minute), causing the fabric samples to tumble randomly. Compressed air is injected to enhance the tumbling action. This process simulates the friction and wear that fabrics undergo during regular use. After a predetermined duration, the samples are removed and visually assessed for pilling using standardized rating scales. Key Specifications of Random Tumble Pilling Tester Test Chambers: Available in configurations of 2 or 4 chambers to accommodate multiple samples simultaneously. - Rotation Speed: Approximately 1200 revolutions per minute. - Chamber Dimensions: Typically around 146 mm in diameter and 152 mm in length. - Impeller Size: Standard impellers measuring about 121 mm. - Compressed Air Pressure: Adjustable, commonly between 14–21 kPa (2–3 psi). - Timer: Digital timer allowing precise control over test duration. - Power Supply: Generally operates on 220V, 50Hz power sources. Applicable Standards of Random Tumble Pilling Tester The Random Tumble Pilling Tester complies with several international testing standards, ensuring its suitability for global applications:- ASTM D3512- ISO 12945-3- DIN 53867- JIS L 1076- GB/T 4802.4 Benefits of Random Tumble Pilling Tester - Realistic Simulation: Accurately replicates the wear and friction conditions fabrics face during actual use.- Standardized Testing: Adheres to international standards, facilitating consistent and comparable results.- Efficient Evaluation: Allows simultaneous testing of multiple samples, increasing laboratory throughput.- Quality Assurance: Provides manufacturers with critical data to improve fabric formulations and production processes. User-Friendly Operation: Features intuitive controls and clear viewing windows for easy monitoring. Applications of Random Tumble Pilling Tester The Random Tumble Pilling Tester is widely used in various sectors of the textile industry: - Apparel Manufacturing: Assessing the durability of clothing fabrics. - Home Textiles: Evaluating materials used in upholstery, curtains, and bedding. - Quality Control Laboratories: Routine testing to ensure product consistency and compliance with standards.- Research and Development: Developing new fabrics with enhanced resistance to pilling. Features of Random Tumble Pilling Tester:- Multiple Test Chambers - Typically comes with 2 or 4 cork-lined chambers for simultaneous testing of multiple fabric samples.
- High-Speed Rotating Impellers - Impellers rotate at around 1200 rpm to create intense, random tumbling motion.
- Compressed Air System - Ensures continuous fabric movement and realistic simulation of wear.
- Digital Timer- Allows precise setting of test duration with easy-to-read display.
- Viewing Windows- Transparent chamber doors for monitoring fabric movement during testing.
- Standard Compliant Design- Meets ASTM D3512, ISO 12945-3, GB/T 4802.4 and other major standards.
- Robust Construction- Durable materials and components designed for long-term laboratory use.
- Easy Sample Handling - Quick-open chamber lids and simple sample placement process.
- Compact Footprint- Saves space in laboratory environments.
- Prepare Samples- Cut fabric into standard-sized specimens (usually circular or rectangular per ASTM/ISO specs)- Condition samples as per the standard (usually 24 hrs at 21°C, 65% RH).
- Load the Chambers - Place each sample into a cork-lined test chamber. - Add a small piece of gray cotton backing fabric if required by the method.
- Set Parameters - Adjust compressed air pressure (typically 14–21 kPa or 2–3 psi).
- Start the Test- Close the chamber doors and press start. - Impellers rotate, tumbling the samples randomly with air flow.
- Stop and Unload - Once the timer ends, remove the samples carefully.
- Evaluate Pilling - Compare the tested samples to standard pilling rating photographs or scales.
- Record Results - Document the pilling grades and any observations.

HTHP Glycerin bath dyeing machine
HTHP Glycerin Bath Dyeing Machine

HTHP dyeing machine
- High Temperature Capability - Operates up to 140°C or more, ideal for disperse dyeing of polyester which requires elevated temperatures.
- Glycerin as Heat Transfer Medium - Glycerin allows for precise and uniform heating beyond the boiling point of water, without pressure buildup as in steam-based systems.
- Small Sample Dyeing - Used for lab-scale dyeing of fabric or yarn samples (commonly 5–10 g per tube), useful in R&D or color matching.
- Multiple Sample Capacity - Usually has multiple dyeing tubes/chambers for simultaneous dyeing of several samples under identical conditions.
- Accurate Temperature and Time Control - Digital or microprocessor-based controllers regulate temperature, heating rate, and timing precisely.
- Uniform Dyeing - Ensures even dye penetration due to consistent heat distribution and controlled rotation or agitation.
- Energy Efficient Glycerin’s heat retention reduces energy consumption compared to steam systems.
- Compact and Durable Design - Bench-top design, made from stainless steel and heat-resistant components for long life and lab use.
- Uniform Heating with Glycerin - Glycerin provides consistent heat transfer, ensuring even dye uptake and minimizing shade variation.
- Energy Efficient- Glycerin retains heat longer, reducing energy consumption compared to traditional steam-based dyeing.
- Accurate Process Control - Precise temperature and time control enhance reproducibility and dyeing consistency.
- Ideal for Lab and Sample Work - Perfect for R&D, shade matching, and recipe development with small fabric or yarn samples.
- Multi-Sample Dyeing - Allows multiple samples to be dyed simultaneously under identical conditions, saving time and effort.
- Compact and Safe - Bench-top design fits in laboratories and is safer than high-pressure steam systems.
- Low Maintenance - Simplified operation and fewer mechanical parts compared to steam-based systems lower upkeep needs.
- Faster Dyeing Cycles- Glycerin heats and cools quickly, reducing overall dyeing time.
- High-Temperature Operation - Capable of dyeing up to 140–150°C, suitable for synthetic fibers like polyester.
- Glycerin as Heat Medium - Uses glycerin for uniform, efficient heat transfer without generating high steam pressure.
- Multiple Dyeing Chambers - Usually equipped with 6–24 tubes for simultaneous multi-sample dyeing under identical conditions.
- Digital Temperature Controller- Offers precise control of temperature, time, and heating rate with programmable settings.
- Compact and Lab-Friendly Design - Bench-top model, easy to operate in laboratory environments with limited space.
- Stainless Steel Construction - Corrosion-resistant and durable for long-term, high-temperature operation.
- Safety Features - Includes over-temperature protection and thermal insulation to prevent heat loss and ensure operator safety.
- Agitation or Sample Rotation- Some models offer rotation or agitation for uniform dye penetration.
- Energy Efficient Heating - Glycerin’s heat retention improves energy efficiency over water- or steam-based systems.
- Low Maintenance - Simplified mechanical system reduces the need for frequent servicing.