Fabric Moisture Permeability Tester
Fabric Moisture Permeability Tester
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    Fabric Moisture Permeability Tester
    Fabric Moisture Permeability Tester

    Fabric Moisture Permeability Tester

     

    A Fabric Moisture Permeability Tester, also known as a Water Vapor Permeability Tester, is a laboratory instrument designed to measure the rate at which water vapor passes through textile materials. This measurement is crucial for assessing the breathability and comfort of fabrics, especially those used in active wear, outdoor gear, medical textiles, and protective clothing.

     

    Purpose of Fabric Moisture Permeability Tester

    The primary function of this tester is to evaluate a fabric’s ability to allow moisture vapor to pass through it, which directly impacts the wearer’s comfort by facilitating sweat evaporation and thermal regulation. High moisture permeability indicates better breathability, making the fabric suitable for applications where moisture management is essential.

     

    Working Principle of Fabric Moisture Permeability Tester

    The tester operates by placing a fabric specimen over a container filled with water. Under controlled temperature and humidity conditions, water vapor passes through the fabric over a specified period. The amount of water vapor transmitted is determined by measuring the weight loss of the container, allowing for the calculation of the Water Vapor Transmission Rate (WVTR).

     

    Common Testing Methods

    1. Upright Cup Method: The fabric covers a cup containing water, and the assembly is placed upright in a controlled environment. After a set duration, the weight loss is measured to determine the WVTR.
    2. Inverted Cup Method: The fabric is sealed over a cup, which is then inverted and exposed to a controlled environment. The amount of water vapor absorbed by the fabric is measured over time.

     

    1. Sweating Hot Plate Test: Simulates human perspiration by measuring the energy required to maintain a constant temperature on a heated plate covered with the fabric, providing insights into the fabric’s breathability.

     

    Key Specifications of Fabric Moisture Permeability Tester

    – Test Cups: Typically 6 to 8 cups, each with a diameter of approximately 83 mm and a depth of 18.5 mm.- Turntable Speed: Approximately 2 revolutions per minute (RPM) to ensure uniform exposure.

    – Environmental Conditions: Tests are conducted under controlled temperature (e.g., 23 ± 2°C) and humidity (e.g., 50 ± 5% RH) settings.

    – Standards Compliance: Conforms to international standards such as ASTM E96, ISO 15496, BS 7209, and JIS L1099.

     

     

    ✅ Benefits of Fabric Moisture Permeability Tester

    – Enhanced Product Development: Provides critical data for designing breathable and comfortable textiles- Quality Assurance: Ensures consistency in fabric performance across different production batches- Regulatory Compliance: Helps manufacturers meet industry standards and certifications.

     

    – Consumer Satisfaction: Contributes to the development of garments that offer better moisture management, leading to increased wearer comfort.

     

    Applications of Fabric Moisture Permeability Tester

    – Active wear and Sportswear: Assessing fabrics for athletic performance and comfort.

    – Outdoor and Protective Clothing: Ensuring materials provide adequate breathability while offering protection. Medical Textiles: Evaluating materials used in healthcare settings for moisture management.

    – Technical and Industrial Textiles: Testing specialized fabrics used in various industrial applications.

     

    Features of fabric moisture permeability tester

    1. Multi-Cup Design – Typically includes 6 or more test cups for simultaneous testing of multiple samples.
    2. Rotating Turntable – Ensures uniform air exposure and consistent vapor transmission across all samples.
    3. Precision Weighing System- Accurate measurement of weight loss to calculate water vapor transmission rate (WVTR).

     

    1. Temperature & Humidity Control – Maintains stable environmental conditions (e.g., 23°C, 50% RH) for reliable results.
    2. Digital Display or Software Interface – Displays real-time data and test status; advanced models offer data logging and export.
    3. Compliance with Standards – Supports ASTM E96, ISO 15496, BS 7209, JIS L1099 testing methods.

     

    1. Sealed Test Chambers- Prevents external air interference, improving accuracy.
    2. Corrosion-Resistant Construction – Durable materials suitable for long-term use in lab environments.
    3. Easy Sample Mounting – Quick and secure fabric placement on test cups with sealing rings.
    4. Low Maintenance Design- Simplified components for easy cleaning and upkeep.

     

    How to Use Fabric Moisture Permeability Tester (Cup Method):

     

    1. Prepare the Test Solution – Fill each test cup with a set amount of water (e.g., 50 ml), or a desiccant if using inverted method.
    2. Mount the Fabric – Cut the fabric into circular pieces matching the cup size.

    – Securely seal each fabric over the cup opening with a gasket and ring to prevent leakage.

    1. Weigh the Cups – Record the initial weight of each cup with the fabric mounted.

     

    1. Place on Turntable – Position all cups on the rotating tray inside the controlled chamber.
    2. Set Conditions – Close the chamber and maintain temperature (e.g., 23°C) and relative humidity (e.g., 50%) as per test standard.
    3. Start the Test – Begin rotation (usually ~2 RPM) and let it run for the specified time (often 24 hours).
    4. Weigh the Cups Again- After the test duration, reweigh the cups to determine weight loss due to moisture vapor passing through the fabric.

     

    1. Calculate WVTR – Use the formula: WVTR = (Weight Loss in grams × 24) / (Test Area in m² × Time in hours) Expressed in g/m²/24h.
    2. Clean and Store – Clean cups and components for future use.

     

     

    fabric moisture permeability tester

    Scope of application

    It is used to determine the moisture permeability of various fabrics
    (including moisture permeable coated fabrics)
    and nonwovens such as batting cotton and space cotton.
    [Related standards] GB/T12704 ASTM E90 JIS L1099A BS 7209 JIS L1099B (custom) etc.

     

    Instrument characteristics

    1. Integrated structure of baking oven and constant temperature and humidity box.
    2. Microcomputer control, color touch screen Chinese menu operation.
    3. Circulating air velocity 0.2-3m/s digital setting.
    4. Imported high-precision temperature and humidity sensor, imported motor drive, ceramic
    heating tube heating.

     

    Technical parameters

    1.Work mode: Microcomputer control, color touch screen Chinese menu operation, test environment monitoring.
    2. Sample box control temperature:15 ~ 40 C, accuracy 0.1 + C, resolution 0.01 C
    3. Heat dissipation mode:Air cooling
    4. Sample box control humidity:30 ~ 95%, precision + 2%, resolution 0.01%
    5. Test chamber humidification:≥300ml/h
    6. Accompany oven control temperature: Room temperature to 200 c
    7. Test time:1min～999h59min
    8. The rate of circulating steam flow:0. 2-3m/s digital setting resolution 0.01m/s
    9. Moisture permeability area:2827㎜2（∮60㎜GB）
    Optional 3848, 2 (70 70 ASTM)
    10. The number of moisture permeable cups.6 (GB) can be replaced by 6 (US standard).
    11. Internal dimensions of drying oven:490×400×215mm
    12. Power supply:Ac220V 50Hz 6kw
    13. Size:930×820×1700mm
    14. Weight:350kg

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      Xenon Arc Light Fastness Tester

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      Xenon Arc Light Fastness Tester Xenon Arc Light Fastness Tester is a laboratory instrument used to evaluate the color fastness
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      Fabric Stiffness Tester
      Fabric Stiffness Tester

      Fabric Stiffness Tester

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      Fabric Stiffness Tester

      Fabric Stiffness Tester

      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:
      1. Accurate Measurement of Flexibility - Provides reliable data on fabric stiffness, essential for quality control and product development.
      2. Improves Product Comfort - Helps assess how soft or rigid a fabric will feel in clothing or furnishings.
      3. Supports Material Selection - Aids designers and engineers in choosing the right fabric for specific applications based on stiffness.
       
      1. Quality Assurance - Detects fabric inconsistencies or defects that affect handling or drape.
      2. Standards Compliance - Enables testing as per international standards like ASTM D1388 and ISO 9073-7 for global product approval.
      3. Quick and Simple Operation - Delivers fast results with minimal operator training or preparation.
       
      1. Applicable to Multiple Materials - Suitable for woven, nonwoven, knitted fabrics, paper, and films.
      2. Enhances R&D Accuracy - Supports consistent material testing during product innovation and textile finishing.
        Features of Fabric Stiffness Tester:
      1. Graduated Measurement Scale - Precise scale to measure overhang length for accurate stiffness calculation.
      2. Flat Test Platform - Smooth, level surface ensures consistent and reliable fabric movement.
      3. Standard Deflection Angle Guide - Built-in 41.5° angle reference for consistent stiffness testing (per ASTM/ISO).
      4. Manual or Motorized Models - Available in both types for simple or automated operation depending on lab needs.
      5. Compact Design - Space-saving unit ideal for textile labs and quality control rooms.
       
      1. Sample Holder or Clamp - Ensures correct alignment and smooth feeding of fabric strips during testing.
      2. Durable Construction - Made of corrosion-resistant materials like stainless steel or aluminum for long-term use.
      3. Compliance with Standards - Supports methods like ASTM D1388, ISO 9073-7 for stiffness testing of fabrics.
       
      1. Lightweight and Portable - Easy to move and use in various lab settings.
      2. Low Maintenance - Simple mechanical parts require minimal servicing.
        How to Use Fabric Stiffness Tester (Cantilever Method):
      1. Prepare the Sample - Cut the fabric into a rectangular strip (e.g., 25 mm × 200 mm), as per standard.
      2. Place the Sample - Lay the fabric strip flat on the test platform with one end aligned at the zero mark.
      3. Slide the Fabric - Gently push the fabric forward so it slowly overhangs the platform.
       
      1. Watch for Deflection - Stop sliding when the free end of the fabric bends down to the reference angle (typically 41.5°).
      2. Read the Bending Length - Measure the overhang distance from the scale. This is the bending length (C).
      3. Calculate Flexural Rigidity
      - Use the formula: G = W × C³ Where: - G = Flexural rigidity (mg·cm) - W = Fabric weight per unit area (mg/cm²) - C = Bending length (cm)  
      1. Repeat for Accuracy - Test both warp and weft directions and average the results for better accuracy.
      Tip: Always perform the test in a controlled environment (standard temperature and humidity) for reliable results.         Fabric Stiffness Tester Scope of application It is used to measure the stiffness of cotton, wool, silk, linen, chemical fibers and other woven fabrics, knitted fabrics, general nonwovens, coated fabrics, etc. It is also suitable for measuring the stiffness of paper, leather, film and other flexible materials. Relevant Standards GB/T 18318, ASTM D 1388, IS09073-7, BS EN22313 etc. [Instrument Characteristics] 1. Infrared photoelectric invisible inclined plane detection system replaces the traditional tangible inclined plane, realizes non-contact detection, and overcomes the problem that the measurement accuracy is affected by the sample torsion lifted by the inclined plane. 2. The inclination adjustable mechanism of instrument measurement to meet different test requirements. 3. Stepping motor drive, accurate measurement, smooth operation; 4. The color touch screen display can show the extended length, bending length, bending stiffness of the sample, the warp average, the weft average and the total average of the above values respectively. 5. Printing of Chinese report forms for thermal printers. Technical parameters 1. Test methods: The two method (A method: Weft test, B method: Forward and backward test) 2. Measurement angle:41.5 degree, 43 degree and 45 degree adjustable 3. Extend the length range:5-220 mm (special requirements can be made at the time of ordering) 4. Length resolution:0.01mm 5. Measurement accuracy:±0.1mm 6. Specimen specifications:250×25mm 7. Work platform specifications:250×50mm 8. Specification of sample pressing plate:250×25mm 9. Pushing speed of press plate:3 mm/s; 4 mm/s; 5 mm/s 10. Display output: Touch screen display 11. Print Output: Chinese Report 12. Data Processing Volume: A total of 15 groups, each group less than 20 trials 13. Printer: Thermal printer 14, power supply:AC220V 50Hz 15. Host volume:570mm×360mm×490mm 16. Host weight:20kg
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      Digital Elmendorf Tearing Tester

      Digital Elmendorf tearing tester

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      Digital Elmendorf Tearing Tester
      Digital Elmendorf Tearing Tester

      Digital Elmendorf Tearing Tester

        Digital Elmendorf Tearing Tester is a precision instrument used to measure the tear strength of materials like woven fabrics, paper, plastic films, and nonwovens. It determines how much force is required to continue tearing a pre-slit sample. Key Functions of Digital Elmendorf Tearing Tester: - Measures propagation tear resistance, not initial tear. - Uses a pendulum to apply force; the energy lost during tearing is calculated to determine tear strength. - Equipped with a digital display for direct reading of results in grams or millinewtons. Core Components: - Pendulum Arm: Applies tearing force. - Clamps: Secure the sample before and after the tear. - Cutting Blade: Creates a precise slit at the start of the test. - Digital Display Unit: Shows the tearing force result clearly and instantly. - Counterweights: Optional weights for increasing test range (for stronger materials).   Applications of Digital Elmendorf Tearing Tester: - Testing tear resistance of: - Textile fabrics (especially woven) - Paper and cardboard - Plastic films - Nonwovens - Packaging materials Benefits of Digital Elmendorf Tearing Tester:
      1. Accurate Tear Strength Measurement - Provides precise data on tear resistance, critical for quality control and product performance.
      2. Digital Readout - Easy-to-read display gives instant, reliable results without manual calculations.
      3. High Reproducibility - Ensures consistent test outcomes due to controlled tearing angle and speed.
       
      1. Fast Testing Process - Simple loading and quick test cycle increase lab efficiency.
      2. Suitable for Various Materials - Tests a wide range of flexible materials like textiles, paper, plastic, and packaging.
      3. Customizable Range - Use of optional weights extends the test range for low to high tear strength materials.
      4. Low Sample Waste - Requires small fabric or material samples, reducing waste during testing.
      5. Standards Compliance - Meets international testing standards (e.g., ASTM D1424, ISO 13937) for credibility and uniformity.
      Features of Digital Elmendorf Tearing Tester: Digital Display - Provides accurate and direct reading of tear strength in grams, mN, or cN. Pendulum Mechanism - Uses a swinging pendulum to simulate tear propagation with consistent force. Adjustable Test Range - Includes interchangeable pendulum weights to test various material strengths.
      1. Precision Sample Clamp - Securely holds samples in place to ensure accurate tear initiation.
      2. Pre-Cutting Blade - Integrated knife creates a precise initial slit in the sample before tearing.
      3. User-Friendly Interface - Simple buttons and screen navigation for ease of operation.
      4. Standard Test Compliance - Compatible with ASTM D1424, ISO 1974, ISO 13937, and other tear strength standards.
      1. Sturdy Construction - Made with durable materials for long-lasting performance and stable operation.
      2. Compact Design - Space-efficient footprint ideal for laboratory environments.
      3. Data Output Options- Some models offer USB or printer connectivity for result documentation.
      How to Use a Digital Elmendorf Tearing Tester:
      1. 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.
      2. Select Pendulum Weight - Choose the appropriate pendulum or add counterweights based on expected tear strength.
      1. Calibrate the Machine - Set the pendulum to its starting position and zero the display.
      2. Clamp the Sample - Fix one half of the sample in the stationary clamp and the other in the moving clamp.
      3. Cut the Initial Slit - Use the integrated blade to make a precise cut at the marked slit area (usually 20 mm).
      1. Release the Pendulum - Trigger the pendulum to swing and tear the sample through the pre-slit.
      2. Read the Result - The digital display will show the tearing force automatically (in g, mN, or cN).
      3. Record or Export Data - Save or print the result if your model supports USB or printer connection.
      4. Reset for Next Test - Reposition the pendulum and prepare a new sample for the next cycle.
      Safety Tip: - Always ensure your hands are clear before releasing the pendulum.   Digital Elmendorf tearing tester 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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