Perspiration Tester
Perspiration Tester
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    Perspiration Tester
    Perspiration Tester
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    Perspiration Tester

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    Perspiration Tester

    Perspiration Tester

    Perspiration Tester

     

    A Perspiration Tester is a lab device used to evaluate the colorfastness of textiles to artificial perspiration (sweat). It simulates the effects of human sweat—both acidic and alkaline—on dyed or printed fabrics under controlled temperature and pressure.

     

    Purpose of Perspiration Tester:

    – To test how fabrics react to body sweat and determine whether dyes bleed, fade, or transfer onto adjacent materials.

     

    Working Principle:

    1. Fabric samples are treated with synthetic perspiration solution (acidic or alkaline).
    2. They are sandwiched with adjacent fabric and placed between glass or acrylic plates.
    3. The assembly is loaded into the tester and pressed under specific pressure.
    4. it’s then incubated at 37°C (body temperature) for a fixed time (typically 4 or 16 hours).
    5. Afterward, color change and staining are evaluated using a gray scale.

     

    Applications of Perspiration Tester:

    – Garment and sportswear testing

    – Quality control in textile processing

    – Compliance with standards like ISO 105 E04, AATCC 15

     

    Benefits of Perspiration Tester:

    1. Accurate Sweat Simulation – Mimics real-life effects of acidic and alkaline perspiration on fabrics.
    2. Improves Product Quality – Ensures textiles retain color and don’t bleed or stain when worn.
    3. Supports Standard Compliance – Follows ISO and AATCC test standards for global market approval.
    4. Protects Brand Reputation- Reduces customer complaints due to dye transfer or fading.

     

    1. Simple and Repeatable- Provides consistent pressure and conditions for reliable results.
    2. Multi-Sample Testing- Tests multiple specimens at once, saving time in labs.
    3. Durable and Low Maintenance- Robust frame with minimal moving parts makes it long-lasting and easy to care for.

     

    Features of Perspiration Tester:

    1. Stainless Steel Frame – Corrosion-resistant body for durability and long-term use.
    2. Multi-Sample Capacity – Can hold up to 20 or more specimens for batch testing.
    3. Standardized Loading Weight- Applies uniform pressure (usually 12.5 kPa) across all samples.
    4. Removable Plates – Glass or acrylic plates ensure even contact and easy cleaning.

     

    1. Compact Design- Space-saving, bench-top model ideal for lab environments.
    2. Complies with Test Standards – Meets ISO 105 E04, AATCC 15, and related perspiration fastness standards.
    3. Ease of Operation – Simple loading, unloading, and incubation process.
    4. High-Temperature Resistance – Can be used inside incubators at 37°C or ovens as required.

     

    How to Use a Perspiration Tester:

    1. Prepare the Test Solution – Mix artificial acidic or alkaline perspiration as per standard (ISO or AATCC).
    2. Cut the Fabric Samples – Cut both the test fabric and adjacent white fabric (usually cotton) to standard size.
    3. Soak the Samples – Immerse the fabric sandwich (test + adjacent) in the test solution for 30 minutes.
    4. Remove Excess Liquid – Gently squeeze or blot to remove extra moisture—do not dry.

     

    1. Load in the Tester- Place each sandwich between glass or acrylic separator plates in the tester.
    2. Apply Pressure – Tighten the top plate or place the standard weight on top to apply uniform pressure.
    3. Incubate – Keep the loaded tester in an oven or incubator at 37°C for 4–16 hours (depending on the method).
    1. Accurate Sweat Simulation – Mimics real-life effects of acidic and alkaline perspiration on fabrics.
    2. Improves Product Quality – Ensures textiles retain color and don’t bleed or stain when worn.
    3. Supports Standard Compliance – Follows ISO and AATCC test standards for global market approval.
    4. Protects Brand Reputation- Reduces customer complaints due to dye transfer or fading.

     

    1. Simple and Repeatable- Provides consistent pressure and conditions for reliable results.
    2. Multi-Sample Testing- Tests multiple specimens at once, saving time in labs.
    3. Durable and Low Maintenance- Robust frame with minimal moving parts makes it long-lasting and easy to care for.
    1. Dry and Evaluate – Remove, air dry the samples, then assess color change and staining using a gray scale.
    2. Fabric samples are treated with synthetic perspiration solution (acidic or alkaline).
    3. They are sandwiched with adjacent fabric and placed between glass or acrylic plates.
    4. The assembly is loaded into the tester and pressed under specific pressure.
    5. it’s then incubated at 37°C (body temperature) for a fixed time (typically 4 or 16 hours).
    6. Afterward, color change and staining are evaluated using a gray scale.

      Perspiration Tester

      Perspiration Tester

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    2/3/4/5 Digit Digital precision Balance

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    Card Winding Machine

      A Card Winding Machine is used in textile processing to wind yarn from hanks, bobbins, or cones onto cards or perforated boards, typically for dyeing or sampling purposes. It ensures uniform yarn distribution and tension, crucial for consistent dye penetration.   Purpose Card Winding Machine: To wind yarn onto flat cards or holders for lab dyeing, color matching, or textile sample display.   Applications Card Winding Machine: Yarn dyeing labs R&D and sample development Display or swatch card preparation Yarn shade catalog creation   Working Principle Card Winding Machine: The yarn is drawn from a source (cone or bobbin) and wound evenly onto a card. The machine controls the winding speed, spacing, and tension to avoid tangles or breaks.   Benefits of Card Winding Machine: Uniform Yarn Placement- Ensures even winding for consistent dyeing and presentation. Ideal for Sampling - Perfect for creating lab dye samples, color cards, and swatches. Time-Saving - Automates a manual process, increasing efficiency.   Low Yarn Waste - Allows controlled use of small yarn amounts for trials. Supports Various Yarn Types - Can handle cotton, polyester, blends, and fancy yarns.   Features of Card Winding Machine: Adjustable Winding Tension - Maintains constant tension to prevent yarn breakage. Speed Control - Variable winding speed for different yarn types and applications. Card Size Compatibility - Supports multiple card sizes and formats. Precision Traverse System- Ensures neat layer formation without overlapping. Compact Design - Table-top or stand-mounted; suitable for labs or sample rooms.   How to Use a Card Winding Machine: Prepare the Yarn Source - Place the yarn cone or bobbin on the yarn holder. - Thread the yarn through the tensioner and guide system. Insert the Card - Mount the empty card or board onto the winding platform/clamp securely.   Set Winding Parameters- Adjust winding speed, tension, and traverse width based on yarn type and card size. Start the Machine - Turn on the power and begin winding; monitor the yarn flow and tension. Monitor the Winding - Ensure yarn is winding evenly and smoothly across the card.   Stop the Machine - Once the desired coverage or length is reached, stop the machine. Remove the Card - Carefully take out the wound card and trim any loose yarn ends. Label or Store - Label for testing or sample purposes as needed.   Maintenance Tips for Card Winding Machine: Daily: ☐ Clean yarn guides and tensioners ☐ Wipe down the machine to remove dust or lint ☐ Check for smooth yarn feeding   Weekly: ☐ Lubricate moving parts if required ☐ Inspect tension device and traverse system for wear ☐ Test speed control and motor function   Monthly: ☐ Tighten all screws, knobs, and clamps ☐ Inspect electrical parts and connections ☐ Clean internal components if accessible   Safety Tips: ☐ Keep fingers away from moving yarn and parts during operation ☐ Do not exceed machine speed limits for delicate yarns ☐ Ensure proper grounding of the machine ☐ Always power off before cleaning or adjusting settings ☐ Wear snug clothing to avoid yarn entanglement  
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    Dimensions L1100xW600xH800(mm)
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    Power 15w
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    Card Winding Machine

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    Fabric Stiffness Tester

      Fabric Stiffness Tester is a lab instrument used to measure the stiffness or flexural rigidity of fabric materials. It evaluates how resistant a fabric is to bending, which influences its drape, comfort, and handling characteristics. Purpose of Fabric Stiffness Tester: To determine the stiffness of textiles by measuring the bending length and calculating flexural rigidity, often using methods like the Cantilever Test (as per ASTM D1388 or ISO 9073-7).   Working Principle of Fabric Stiffness Tester: A fabric strip is slid over a horizontal platform until its free end bends under its own weight to a specific angle (usually 41.5°). The length at which this occurs is used to calculate bending length and stiffness.   Main Components of Fabric Stiffness Tester: - Test Platform: Flat surface for sample movement. - Graduated Scale: Measures the overhanging length of fabric. - Angle Indicator: Guides the measurement based on standard deflection angle. - Fabric Clamp or Guide: Helps place and move the sample smoothly.   Applications of Fabric Stiffness Tester: - Apparel fabrics (e.g., for comfort and drape analysis) - Technical textiles (e.g., automotive, medical fabrics) - Paper, nonwovens, and films Benefits of Fabric Stiffness Tester:
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    1. Applicable to Multiple Materials - Suitable for woven, nonwoven, knitted fabrics, paper, and films.
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    1. Sample Holder or Clamp - Ensures correct alignment and smooth feeding of fabric strips during testing.
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    1. Lightweight and Portable - Easy to move and use in various lab settings.
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    1. Watch for Deflection - Stop sliding when the free end of the fabric bends down to the reference angle (typically 41.5°).
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    1. Repeat for Accuracy - Test both warp and weft directions and average the results for better accuracy.
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    Analog Thickness Gauge

    Analog Thickness Gauge

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    Analog Thickness Gauge

    Analog Thickness Gauge

    Analog Thickness Gauge

      An Analog Thickness Gauge is a manual instrument used to measure the thickness of materials such as fabric, paper, leather, rubber, and plastic. Unlike digital gauges, it displays readings through a mechanical dial or scale.   Purpose Analog Thickness Gauge: To measure material thickness with reasonable accuracy in lab or production settings. Commonly used in textiles, packaging, leather goods, and quality control labs.   Working Principle : The sample is placed between a flat anvil and a presser foot. When the presser foot contacts the sample under uniform pressure, the thickness is indicated on a dial scale, typically in millimeters.   Types of Analog Thickness Gauge: Dial Thickness Gauge – With a needle and graduated scale. Micrometer-Type Gauge – For finer precision and small samples.   Applications: Textile and fabric inspection Leather and rubber sheet measurement Paper and film thickness control Analog Thickness Gauge Brand : DUNLIN Origin : TAIWAN Measuring Range : 0mm ~ 10mm Accuracy : 0.01mm Deep Throat Range : 120mm Dimension : ( 195 × 130 × 25 ) mm Benefits High Durability – Since analog thickness gauges do not rely on electronic circuits, they are more durable and resistant to environmental factors such as dust and moisture. No Power Requirement – These gauges operate mechanically, eliminating the need for batteries or power sources. Cost-Effective – Analog meters are generally more affordable compared to digital alternatives while still providing precise measurements. Ease of Use – Simple mechanical operation ensures that even non-technical users can easily measure thickness. Reliable Performance – Analog thickness gauges provide consistent and accurate readings without the risk of software malfunctions. Advantages Immediate Readings – No waiting time for booting or calibration, providing instant measurement results. Long-Lasting Accuracy – These devices do not suffer from battery drainage or electronic failures, ensuring accuracy over long periods. Lightweight and Portable – Many analog thickness gauge meters are compact and easy to carry, making them convenient for on-the-go use. Wide Material Compatibility – Suitable for measuring the thickness of metals, textiles, paper, and various industrial materials. Minimal Maintenance – Without electronic parts, maintenance requirements are significantly reduced. Applications Manufacturing Industry – Used in quality control to ensure material thickness meets specified standards. Automotive Sector – Helps measure paint and coating thickness on vehicles to ensure uniform application. Metalworking and Fabrication – Used to measure sheet metal and pipe thickness to maintain precision in production. Plastic and Rubber Industry – Ensures uniform thickness in plastic sheets, films, and rubber products. Paper and Textile Industry – Essential for measuring paper thickness in printing industries and fabric thickness in textile production. Aerospace and Aviation – Used for checking the thickness of coatings and composite materials in aircraft manufacturing.
    Analog Thickness Gauge

    An Analog Thickness Gauge is a manual instrument used to measure the thickness of materials such as fabric, paper, leather, rubber, and plastic. Unlike digital gauges, it displays readings through a mechanical dial or scale.

     
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    Rainin Digital Pipette
    Rainin Digital Pipette

    Rainin Digital Pipette

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     Rainin Digital Pipette

    Rainin Digital Pipette

    Digital Pipette

      Rainin Digital Pipette E4-XLS Electronic Pipette,   The Rainin Digital Pipette is a high-precision liquid handling instrument used in laboratories for accurate and reproducible measurement and transfer of small liquid volumes. Manufactured by Rainin Instruments (a Mettler Toledo company), these pipettes are known for their ergonomic design, reliability, and advanced digital controls.   Features of Rainin Digital Pipette:
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    1. High Accuracy and Precision
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    1. Ergonomic Design
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    1. LTS (LiteTouch System) - Many Rainin pipettes use the LTS tip system which reduces tip ejection force and ensures a consistent seal.
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    1. Ergonomic Design- Minimizes hand strain and fatigue during prolonged use; ideal for repetitive pipetting tasks.
    2. LiteTouch System (LTS) - Eases tip attachment and ejection, reducing risk of RSI (Repetitive Strain Injury) and improving comfort.
     
    1. Versatile Volume Range - Available in multiple models to handle volumes from microliters to milliliters.
    2. Durable and Reliable - Built with high-quality materials for long life and resistance to chemicals and frequent use.
     
    1. Easy Maintenance and Calibration - Simplified calibration and cleaning ensure long-term performance and compliance.
    2. Data Integrity and Traceability -Some models store data, supporting audit trails and regulatory compliance.
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    1. Digital Volume Adjustment - Precise and easy-to-read digital display for accurate volume setting.
    2. High Precision and Accuracy- Delivers consistent results, meeting ISO and GLP/GMP standards.
    3. Ergonomic Design- Lightweight, balanced with low plunger and tip ejection force to reduce fatigue.
     
    1. LiteTouch Tip Ejection System (LTS) - Reduces tip attachment/ejection force, improving comfort and consistency.
    2. Durable Construction - Built with high-quality, chemically resistant materials for long-term use.
    3. Wide Volume Range - Available in multiple models from 0.1 µL to 10 mL.
    4. Single-Channel and Multi-Channel Options - Suitable for various applications including high-throughput assays.
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    1. Easy Calibration and Maintenance - User-friendly calibration settings with accessible parts for cleaning.
    2. Optional Electronic Models - Some versions include programmable features, multiple modes (e.g., reverse pipetting), and memory storage.
    Rainin Digital Pipette dealer In Bangladesh, Digital Pipette Importer in Bangladesh, Digital Pipette in Bangladesh, Digital Pipette Machine in Bd, Digital Pipette In Uttara, Digital Pipette Price in Bangladesh, Digital Pipette Supplier in Bangladesh, Digital Pipette in Bangladesh,  
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    High Speed Hard Winding Machine
    High Speed Hard Winding Machine

    High speed hard winding machine

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    High Speed Hard Winding Machine
    High Speed Hard Winding Machine

    High Speed Hard Winding Machine

      A High Speed Hard Winding Machine is a textile winding machine designed to wind yarns, threads, or fibers onto cones or packages at high speeds with firm tension. It is used to prepare yarn packages for subsequent processes like weaving or knitting.     Purpose of High Speed Hard Winding Machine: - To wind yarn evenly and tightly with controlled tension for storage or further processing.   Key Features of High Speed Hard Winding Machine - High-speed winding for increased productivity. - Precise tension control to avoid yarn breakage or slack. - Automatic package building to maintain uniform shape. - Suitable for various yarn types—cotton, polyester, wool, etc. - User-friendly controls and safety features.   Applications of High Speed Hard Winding Machine: - Textile mills preparing yarn for fabric production. - Quality control labs for winding test samples. - Textile manufacturing units needing uniform yarn packages.   Benefits of High Speed Hard Winding Machine:
    1. Increased Productivity - High-speed operation reduces winding time significantly.
    2. Consistent Package Quality - Ensures uniform and firm yarn packages ideal for further processing.
    3. Reduced Yarn Breakage - Precise tension control minimizes yarn damage during winding.
    4. Versatility - Handles different types of yarns including delicate and coarse fibers.
     
    1. User-Friendly Operation - Simple controls and automation reduce operator fatigue.
    2. Improved Efficiency - Automatic package build-up reduces manual adjustments.
    3. Space Saving - Compact design fits well in production lines and labs.
      How to Use High Speed Hard Winding Machine:
    1. Set Up the Machine - Switch on the power and check all safety guards.
    2. Load Yarn - Thread the yarn through tension guides and eyelets as per the manual.
    3. Adjust Tension - Set tension according to yarn type to avoid slack or breakage.
    4. Place Empty Cone/Package - Mount the empty cone or package holder securely.
     
    1. Start Winding- Press the start button; machine will begin winding at set speed.
    2. Monitor the Process - Observe yarn package build-up and make adjustments if necessary.
    3. Stop and Remove Package - Once winding is complete, stop the machine and remove the yarn package carefully.
    4. Maintenance - Clean the machine regularly and lubricate moving parts as needed.
      Specifications of High Speed Hard Winding Machine: - Winding Speed: Typically 1000 to 3000 RPM (varies by model) - Package Type: Conical or cylindrical yarn packages - Tension Control: Adjustable mechanical or electronic tension system - Drive System: AC motor with variable frequency drive (VFD) for speed control - Power Supply: Usually 220V/380V, 50/60 Hz - Package Weight Capacity: Depends on model, generally up to 2 kg - Machine Size: Compact footprint for space-saving installation - Control Panel: Digital or analog with start/stop and speed adjustment - Safety Features: Emergency stop, yarn break detection, overload protection     Troubleshooting Tips: - Yarn Breakage: - Check and reduce tension; inspect yarn for weak spots. - Clean guides and rollers to remove any debris. - Uneven Winding: - Ensure correct threading path and tension balance. - Adjust package build-up mechanism. - Machine Not Starting: - Check power supply and emergency stop switch. - Verify control panel settings.   - Excessive Noise: - Lubricate moving parts and tighten loose components. - Inspect bearings for wear. - Package Slippage: - Secure cone properly and check tension settings.   Features of High Speed Hard Winding Machine:
    1. High-Speed Operation - Capable of winding yarns at fast speeds (up to 3000 RPM) to boost productivity.
    2. Precise Tension Control - Adjustable tension mechanism to prevent yarn breakage and ensure tight winding.
    3. Automatic Package Formation - Uniform, firm package build-up for consistent yarn quality.
    4. Versatile Yarn Compatibility - Suitable for cotton, polyester, wool, and blended yarns.
     
    1. User-Friendly Interface - Easy controls with digital or analog panels for speed and tension adjustment.
    2. Robust Construction - Durable stainless steel or metal frame for long-term reliability.
    3. Safety Features - Includes emergency stop buttons and yarn break sensors.
    4. Compact Design - Space-saving structure ideal for labs and production floors.
    5. Low Maintenance - Designed for easy cleaning and minimal upkeep.
        high-speed hard winding machine is used to produce hard cone packages for knitting machine, shuttle loom, warping machine and hosiery machine. It is an ideal winding machine for cotton threads, hemp threads and chemical fiber yarns. TECHNICAL PARAMETERS Grooved drum O/D 82mm, lead 2.5 (turns) ×147, angle: 0° Take-up tubes Cylindrical or cone with conicity of 3°30′, 4 °20′ Bobbin length Standard 170mm, customized range: 170-280mm Yarn length control Electronically set the winding yarn length up to 999999m according to the final package. Electric waxing device (optional) Square wax piece is used for uniform waxing, a set per spindle Slow start Ensures a slow and stable start to improve the winding quality. Counterweight yarn brake Prevent the yarn from shaking during the feeding to provide suitable winding tension. Electronic tensioner Tension plate Number of spindles per section 12 per section Number of spindles, max. 120 Drive Individual variable frequency motor per spindle Max. winding linear speed 1100 m/min, individually controlled per section, frequency control Traverse Standard: 147mm Creel balancer Winding tension is controlled by a spring balancer Yarn detector Photoelectric sensor Package diameter Max. 280mm Start/Stop Membrane switch control, touch screen Vertical anti-patterning device Computer controlled Vacuum cleaner/blower Optional, 1100W (cleaning power) Power consumption 60W/spindle (at the highest speed), including the power of cleaner motor Power supply 3-phase 380V 10%, 50/60Hz, 220V, 440V Weight (12 spindles) 350kg Dimension (12 spindles) 2250mm (L)×1100mm(W)×1400mm(H) Cleaner weight 132 kg, depending on the number of spindles Weight and dimension of the electricity box 45kg, 700mm(L)×300mm(W)×1320mm(H)   FUNCTIONS The winding speed can be set and controlled automatically by the computer, offering a maximum speed of 1100 m/min. Advanced yarn cleaning, tension device and photoelectric yarn detector avoids the yarn loop. Accurate and sensitive speed controller ensures even and consistent winding length (weight). Electrically rotary waxing ensures the waxing quantity and uniformity.
    High Speed Hard Winding Machine

    High Speed Hard Winding Machine

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    Digital hot plate-magnetic stirrer
    Color Matching Cabinet -light Box

    Digital hot plate-magnetic stirrer

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    Digital hot plate-magnetic stirrer

    Digital hot plate-magnetic stirrer

    Digital hot plate-magnetic stirrer

      A digital hot plate-magnetic stirrer is a laboratory device that combines two essential functions: heating and stirring. It is widely used in chemistry, biology, and physics laboratories for preparing solutions, mixing chemicals, and conducting experiments that require controlled heating and stirring. Model : (DL-300) Brand : DUNLIN Origin : TAIWAN Set-up plate Dimensions : Ø 135 mm Motor type : DC Motor Speed range : 0-1500 rpm Display : 5 Inch LED Display Heating temperature range : Room Temp. 0-280°C Temperature display : 5 Inch LED Display Temperature display accuracy : ±0.1 Protection class according to DIN EN 60529 : IP42 Power Supply : 200-240V 3A Dimensions ( W x D x H ) : ( 255 x 152 x 80 ) mm Key Components of Digital hot plate-magnetic stirrer: Hot Plate (Heating Element): - Provides a flat surface that heats up electrically. - Controlled via a digital interface for setting precise temperatures. - Often features over-temperature protection for safety.
    1. Magnetic Stirrer:
    - Uses a rotating magnetic field to spin a magnetic stir bar placed in the liquid. - Ensures even mixing of the solution without manual stirring. - Speed can be adjusted digitally.  
    1. Digital Display and Controls:
    - Allows precise setting of temperature and stirring speed. - Typically includes an LCD or LED screen. - Some models have programmable settings and timers.  
    1. Temperature Sensors:   - Built-in or external probes (like a PT100 or thermocouple) for accurate temperature control.
      Features of Digital hot plate-magnetic stirrer: - Temperature Range: Usually ranges from ambient to 300°C or higher. - Stirring Speed: Typically ranges from 100 to 1500 RPM. Material: The top plate is often made from ceramic, aluminum, or stainless steel to ensure durability and chemical resistance.   Applications Digital hot plate-magnetic stirrer: - Dissolving solids in liquids. - Heating samples while stirring to ensure uniform temperature distribution. - Conducting chemical reactions that need constant stirring and controlled heat. - Biological and pharmaceutical sample preparation.     Benefits of using a Digital Hot Plate & Magnetic Stirrer in laboratory and industrial settings:
    1. Precision and Control- Digital Interface: Allows accurate setting and monitoring of temperature and stirring speed.- Consistent Results: Ensures reproducibility in experiments and solution preparations.
     
    1. Efficient Mixing and Heating- Uniform Mixing: Magnetic stirring eliminates hotspots and ensures even distribution of solutes.- Simultaneous Operation: Ability to heat and stir at the same time improves efficiency.
     
    1. Safety Features- Overheat Protection: Prevents accidents by automatically shutting off at unsafe temperatures.- Sealed Surface: Reduces risk of contamination and easy to clean.
     
    1. Versatility
    - Suitable for a wide range of applications including chemical synthesis, biological experiments, and pharmaceutical processes.- Compatible with various types of containers and volumes.  
    1. Compact and User-Friendly- Takes up minimal bench space.- Simple to operate with user-friendly controls and displays.
    2. Durability- High-quality materials like ceramic or stainless steel tops resist corrosion and wear.
    3. Time-Saving Speeds up preparation of solutions and reactions compared to manual stirring and separate heating. Would you like these benefits presented in a slide format or for a product brochure?
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