Fabric Stiffness Tester
Fabric Stiffness Tester
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    Fabric Stiffness Tester
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    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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      3. Versatile Use- Suitable for textiles, leather, coated fabrics, and printed surfaces.
       
      1. Improves Quality Control - Identifies potential durability issues early in the production process.
      2. Enhances Product Performance - Helps in developing fabrics with better resistance to rubbing and abrasion.
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      2. Standardized Rubbing Head - Fixed diameter (typically 16 mm) with specified pressure (≈1134 g) for consistent results.
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      4. Compliance with Standards - Follows AATCC 116, ISO 105 X16, and SATRA TM8 protocols.
        How to Use Fastness Rotary Friction Tester:
      1. Prepare the Sample - Cut a fabric piece (typically 60 × 60 mm) and condition it per standard requirements.
      2. Mount the Fabric - Secure the fabric sample on the sample holder or base plate of the tester.
      3. Attach Rubbing Cloth - Place a standard white test cloth (dry or wetted as required) over the rubbing head.
       
      1. Apply Pressure - Lower the rubbing head onto the fabric. Standard weight is about 1134 g.
      2. 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.
       
      1. Remove and Inspect - After testing, remove the rubbing cloth and assess any color transfer using a gray scale.
      2. Evaluate Fabric Surface - Check the fabric for visible changes, fading, or wear.
       
      1. Record Results - Grade both staining and fabric change per standard gray scale ratings.
          Fastness rotary friction tester [Scope of application] It is used to change the color fastness of the textile, printing and dyeing, printing and other products after a specific track friction. [Related standards] GB / T29865 AATCC116 ISO105-X16, etc. [Instrument characteristics]: 1.Single-chip control, speed can be set freely 2.Imported motor, linear guide, low noise, suitable for long time work 3. Liquid crystal display, film panel 4. Freely set the number of friction, can count up and down, and automatically stop the alarm when the set value is reached [Technical Parameters]: 1. Friction head diameter: 16mm 25mm 2. Vertical pressure: 11.1N 3. Working mode: 405 ° clockwise and 405 ° counterclockwise 4. Speed range: constant 60 rpm, LCD display, thin mold panel 5. Counting range: 0-99999 times 6. Power supply: AC 220V 50Hz 80W 7. Weight: 20KG 8. Volume: L420mm × W260mm × H430mm
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