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Laboratory Padder
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Laboratory Padder
Mini Lab Dyeing Padder
A Laboratory Padder is a compact, laboratory-scale machine used to apply liquids like dyes, chemicals, and finishes to fabric samples. It simulates the padding process in textile manufacturing, where fabric is passed through a liquid solution, then squeezed between rollers to ensure uniform application and absorption.
Key Features of a Laboratory Padder:
- Adjustable Rollers – The fabric is passed through two or more rollers to apply even pressure and squeeze out excess solution, ensuring uniform chemical or dye application.
- Variable Pressure Control – Allows adjustment of roller pressure for different fabric types and chemical formulations, ensuring optimal penetration without damage.
- Solution Bath – Holds the liquid (e.g., dye, finish, or other chemical treatments) in a bath through which the fabric is dipped before passing through the rollers.
- Fabric Speed Control – Adjustable conveyor speed allows for control over the time the fabric spends in contact with the liquid solution, affecting the degree of treatment.
- Digital Control Panel – Provides easy adjustment of pressure, speed, and solution volume to ensure precise and reproducible results.
- Compact Design – Smaller, lab-scale version of industrial padders, ideal for research, development, and small-scale testing.
- Safety Features – Safety guards, emergency stops, and proper handling mechanisms to prevent accidents during operation.
Applications:
– Dyeing: For even application of dye or pigment on fabric.
– Finishing: Applying finishes like softeners, water repellents, or flame retardants.
– Chemical Treatments: Applying various chemicals used in textile manufacturing, such as anti-microbial treatments or stain-resistant solutions.
– Shrinkage Testing: Simulating treatments to test fabric behavior under different conditions.
Benefits of Laboratory Padder:
- Precise Application of Chemicals – Provides uniform and controlled application of dyes, finishes, and other chemicals, ensuring consistent results.
- Small-Scale Testing – Ideal for small sample testing, allowing for fabric treatment without needing full-scale production equipment.
- Versatile Use – Suitable for dyeing, finishing, and applying various chemical treatments, making it a flexible tool for R&D labs.
- Cost-Effective – Reduces the need for large-scale machinery and the associated costs, while providing reliable results for small batches.
- Controlled Fabric Treatment – Offers adjustable pressure, speed, and solution concentration, enabling fine-tuned processing for different fabric types and applications.
- Accelerates Development – Speeds up the testing and development of new products or finishes, improving time-to-market for textile manufacturers.
- Energy Efficient – Consumes less energy compared to larger, industrial-scale machines, making it suitable for lab use.
- Compact and Space-Saving – Designed for laboratory environments with limited space, without compromising on functionality.
- Reproducible Results – Ensures consistent application of treatments across multiple samples, aiding in accurate testing and comparison.
Features of Laboratory Padder:
- Adjustable Roller Pressure – Allows precise control over the pressure applied to the fabric, ensuring uniform chemical or dye application.
- Variable Speed Control – Adjustable conveyor speed for controlling the time the fabric spends in the solution bath, influencing the absorption rate.
- Solution Bath – Holds dye, chemicals, or finishes, and the fabric passes through this bath before moving to the rollers.
- Digital Control Panel – Easy-to-use interface for setting and adjusting parameters like speed, pressure, and solution concentration.
- Compact and Lab-Friendly Design – Designed for smaller, space-efficient use in textile labs, allowing for small sample testing.
- Roller Gap Adjustment – Allows for fine-tuning of the gap between rollers to regulate the amount of solution squeezed out of the fabric.
- Stainless Steel Construction – Durable and resistant to corrosion from the chemicals used in textile treatments.
- Safety Mechanisms – Includes safety guards, emergency stops, and user protection features during operation.
- Even and Controlled Application – Ensures even distribution of treatments (dye, finish, etc.) on fabric with minimal waste.
- Versatility in Application – Can be used for a wide range of textiles and treatments, including dyeing, softening, flame-retardant treatments, etc.
How to Use a Laboratory Padder:
- Prepare the Fabric Sample – Cut the fabric sample to the required size for the experiment. Ensure it’s clean and free of any debris.
- Prepare the Solution – Mix the dye, chemical, or finish solution according to the desired concentration and the fabric’s needs. Ensure that the solution is homogeneous.
- Set the Parameters – Pressure: Adjust the roller pressure based on the fabric type. Different fabrics require different pressure levels to ensure uniform application. – Speed: Set the fabric conveyor speed depending on the desired treatment time (longer exposure for deeper treatment).
– Roller Gap: Adjust the roller gap to control the amount of liquid squeezed out from the fabric.
- Load the Fabric into the Machine – Place the fabric carefully into the machine. The fabric should go through the solution bath and then pass between the rollers.
- Start the Machine – Turn on the machine and allow the fabric to pass through the rollers. The solution will be evenly applied to the fabric as it moves through the bath and is squeezed by the rollers.
- Monitor the Process – Keep an eye on the fabric to ensure it is being treated uniformly and there are no blockages or fabric jams.
- Unload the Fabric – Once the fabric has been treated, carefully remove it from the machine. Inspect for even application of the solution and any excess liquid.
- Dry or Process Further – Depending on the treatment, proceed with further steps such as drying, heat setting, or curing, as required by the experiment or process.
Safety Tips:- Always wear appropriate personal protective equipment (PPE), such as gloves and goggles, when handling dyes or chemicals. – Ensure the machine is turned off and the rollers are stopped before attempting to remove or adjust the fabric.
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Laboratory Padder
Mini Lab Dyeing Padder
Brand: DUNLIN
Model:PM-A1
Origin: China
Roller position: Vertical
Rollers width :450mm
Rollers diameter:125mm
Rubbers hardness: 70degree shore
Cloth speed: 0-10m/min
Standard pressure: 0.6Mpa
Retained dyestuff ratio: 40-80%
Power supply: 1∮AC 220V 50/60HZ
Dimensions (L x W x H):710 x 600x 1340mm
Standard Accessories
English manual
Certificate of quality.
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Digital Elmendorf Tearing Tester
Digital Elmendorf Tearing Tester
- Accurate Tear Strength Measurement - Provides precise data on tear resistance, critical for quality control and product performance.
- Digital Readout - Easy-to-read display gives instant, reliable results without manual calculations.
- High Reproducibility - Ensures consistent test outcomes due to controlled tearing angle and speed.
- Fast Testing Process - Simple loading and quick test cycle increase lab efficiency.
- Suitable for Various Materials - Tests a wide range of flexible materials like textiles, paper, plastic, and packaging.
- Customizable Range - Use of optional weights extends the test range for low to high tear strength materials.
- Low Sample Waste - Requires small fabric or material samples, reducing waste during testing.
- Standards Compliance - Meets international testing standards (e.g., ASTM D1424, ISO 13937) for credibility and uniformity.
- Precision Sample Clamp - Securely holds samples in place to ensure accurate tear initiation.
- Pre-Cutting Blade - Integrated knife creates a precise initial slit in the sample before tearing.
- User-Friendly Interface - Simple buttons and screen navigation for ease of operation.
- Standard Test Compliance - Compatible with ASTM D1424, ISO 1974, ISO 13937, and other tear strength standards.
- Sturdy Construction - Made with durable materials for long-lasting performance and stable operation.
- Compact Design - Space-efficient footprint ideal for laboratory environments.
- Data Output Options- Some models offer USB or printer connectivity for result documentation.
- Prepare the Sample - Cut the material (fabric, paper, film, etc.) to standard size (typically 100 × 63 mm for textiles) and slit it with the pre-cutter as required.
- Select Pendulum Weight - Choose the appropriate pendulum or add counterweights based on expected tear strength.
- Calibrate the Machine - Set the pendulum to its starting position and zero the display.
- Clamp the Sample - Fix one half of the sample in the stationary clamp and the other in the moving clamp.
- Cut the Initial Slit - Use the integrated blade to make a precise cut at the marked slit area (usually 20 mm).
- Release the Pendulum - Trigger the pendulum to swing and tear the sample through the pre-slit.
- Read the Result - The digital display will show the tearing force automatically (in g, mN, or cN).
- Record or Export Data - Save or print the result if your model supports USB or printer connection.
- Reset for Next Test - Reposition the pendulum and prepare a new sample for the next cycle.
Scope of application
It is used for the determination of the tear resistance of various woven
fabrics (Elmendorf method), and it can also be used for the determination
of the tear resistance of thick paper, plastic sheeting, electrical tape, etc.
Related standards
GB/T 3917.1 FZ/T60006 FZ/T75001 ISO1974/9290 ASTM D1424/5734
etc.
Instrument characteristics
1. Maximum 300N test range
2. Microcomputer control, digital decoding, support online
communication
3. Color touch screen control, Chinese and English menu operation
interface
4. Pneumatic clamping, automatic cutting
5. A variety of measurement units (cN, gf) selection
6. Fully automatic operation with safe operation protection.
7. Automatically increase potential energy
[Technical parameter]:
1. Test range: first gear: (0～16)N second gear: (0～32)N third gear: (0～
64)N fourth gear: (0～128)N fifth gear: (0～300)N
2. Test accuracy: ≤±0.2%F·S
3. Tearing length: 43mm (non-standard 30-60mm can be set)
4. Automatic incision length: (20±0.2)mm
5. Sample size: (100×63)mm
6. Specimen clamping: pneumatic way
7. Sample test: Up to 10 sets per group on the device side, and 30 sets
of data can be selected to be saved
8. Power supply: AC220V±10% 50Hz 100W
9. Dimensions: (650×660×680)mm
10. Weight: 50kg
[Sample of control interface]:(English version is also available.) 
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food, footwear, packaging and printing.Download the Datasheet below for more information or click 'VeriVide CAC Datasheet Here' to get in touch with colour experts.
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Stretch Recovery Tester Static Method
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- A sample is stretched to a predetermined extension or force.
- The stretch is maintained for a set period.
- After removing the load, the recovery (return to original length) is measured after a fixed time.
- The fabric sample is clamped and stretched to a specific length or force.
- It’s held for a fixed duration (e.g., 1–5 minutes).
- The tension is released, and the sample is allowed to recover.
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Orbital Shaker Machine
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Orbital Shaker Machine
- Orbital Motion - Provides a smooth circular shaking pattern, ideal for gentle mixing without foaming or splashing.
- Adjustable Speed Control - Speed typically ranges from 50 to 300 RPM, depending on the model and application.
- Timer Function - Allows users to set shaking time from minutes to hours for precise control of experiments.
- Platform with Clamps or Mats - Holds flasks, beakers, test tubes, or trays securely during operation.
- Digital Display (in advanced models) - Shows speed and time settings for accurate and repeatable performance.
- Variable Capacity - Available in sizes to accommodate different lab needs—from a few samples to dozens.
- Quiet Operation - Designed for minimal vibration and noise during continuous use.
- Uniform Mixing - Ensures even distribution of dyes, chemicals, or cultures without manual stirring.
- Gentle Agitation - Ideal for delicate samples like cell cultures or fabric swatches, reducing damage or splashing.
- Hands-Free Operation - Allows continuous, unattended mixing—improving lab efficiency and freeing up personnel.
- Customizable Settings - Adjustable speed and timer let users tailor mixing to specific sample types and needs.
- Versatile Use - Suitable for a wide range of applications including dye mixing, sample incubation, chemical reaction enhancement, and microbial growth.
- Enhanced Reproducibility - Consistent shaking patterns and digital controls ensure repeatable results across experiments.
- Reduces Human Error - Automated operation minimizes variability and manual handling mistakes.
- Compact and Lab-Friendly - Takes up minimal space while accommodating multiple sample containers.
- Orbital Shaking Motion - Moves samples in a circular path for uniform and consistent mixing.
- Variable Speed Control - Adjustable shaking speed (typically 50–300 RPM) to suit different sample types.
- Digital Timer - Programmable run time for precise and repeatable operations.
- Flat Platform Design - Accommodates flasks, beakers, tubes, or trays with optional clamps or non-slip mats.
- LCD or LED Display (in advanced models) - Shows speed, time, and operating status clearly.
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- Compact and Durable Build - Designed to fit standard lab benches and withstand regular use.
- Versatile Capacity Options - Available in various sizes to handle different numbers and sizes of containers. User-Friendly Interface - Simple control panel for easy setup and operation.
Brand: Dunlin
Origin: Korea.
Maximum. load capacity (with platform) is 7.5kg
Support orbital and linear shaking
Fashion design of high strength tempered glass on the front panel
LED display for easy-reading of speed and time simultaneously
Digital speed control system and micro-computer control make stable running and prevent sample splashing.
Brushless DC motor is maintenance-free and provides long service life
Over-load and over-speed detection and protection
Supports both orbital shaking and linear shaking and easy to switch the shaking mode
Continuous operation and timed operation in range of 0-99h59min are available
Automatic alarm by time controller allows for unsupervised operation
A wide choice of platforms for various applications
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Fatigue tester for Elastic fabric
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Fatigue tester for Elastic fabric
- Adjustable Stretch Range - Allows setting stretch levels (e.g., 0–100%) to simulate real-life fabric use.
- High-Cycle Capability - Supports up to millions of stretch-relax cycles for long-term fatigue analysis.
- Touch Screen Control - 7-inch color display for easy setup, monitoring, and data entry.
- Servo Motor Driven - Ensures precise and smooth linear motion during testing.
- Customizable Speed - Adjustable test speed (e.g., up to 40 cycles per minute) based on test requirements.
- Multi-Sample Testing - Some models allow testing multiple specimens simultaneously.
- Cycle Counter with Alarm - Built-in counter with programmable stop after preset cycles and auto-alert feature.
- Durable Construction - Robust metal frame suitable for continuous testing in lab environments.
- Standard Compliance - Designed to follow standards like GB/T 37635 for elastic fabric testing.
- Prepare the Sample
- Mount the Sample - Secure both ends of the fabric in the upper and lower clamps.
- Set Test Parameters
- Start the Test - Press start on the touch screen interface. - The machine will cyclically stretch and release the sample.
- Monitor Progress - Observe operation or let it run automatically.
- Remove and inspect - Take out the fabric and measure elongation, recovery, or visual defects.
- Record and Compare Results - Compare with initial measurements or standard performance criteria.
Fatigue tester for Elastic fabric
Oscillation type water bath Dyeing Machine
Oscillation Type Water Bath Dyeing Machine
water bath/Shaker bath Dyeing machine
- Oscillating Mechanism - Provides back-and-forth movement of beakers for uniform dye penetration and sample agitation.
- Multiple Beaker Capacity - Supports dyeing of 12–24 samples simultaneously, ideal for comparative lab testing.
- Digital Temperature Control - Maintains precise water bath temperature (typically up to 99°C), essential for consistent dyeing.
- Variable Oscillation Speed - Adjustable speed settings (e.g., 50–200 cycles/min) to suit different materials and processes.
- Programmable Settings - Allows setting of temperature, time, and speed for repeatable and automated dyeing cycles.
- Stainless Steel Construction - Corrosion-resistant frame and bath for durability in chemical environments.
- Beaker Safety Holders - Secure placement of beakers to prevent spills and maintain consistent treatment.
- Compact Design - Lab-friendly size for easy integration into research and quality control spaces.
- Low Liquor Ratio Operation - Efficient dyeing using minimal dye bath volume (e.g., 1:5 to 1:20), reducing chemical and water use.
- Quiet and Stable Performance
water bath/Shaker bath Dyeing machine
