1. Product Function and Application
The Power Fabric Stiffness Tester is designed to measure stiffness properties, such as flexural rigidity, of textile fabrics and other flexible sheet materials. It is ideal for evaluating woven, layered, pile, knitted, or napped fabrics, including heavily sized, coated, or resin-treated materials.
This instrument can also test leather, paper, plastic films, geotextiles, protective fabrics, blankets, and airbag fabrics. Using the cantilever bending principle, the tester quantifies how a material bends under its own weight, providing a reliable measurement of stiffness.
2. Applicable Test Standards
ASTM D1388 – Standard Test Method for Stiffness of Fabrics
ASTM D5732 – Fabric stiffness for geotextiles
BS 3356 – British Standard for fabric stiffness
GMW 3390 – General Motors specification for fabric stiffness
HES D6506 (Honda) – Honda Engineering Standard
ISO 9073-7 – Textiles—Determination of bending length and flexural rigidity
JIS L 1018, L 1085, L 1096 – Japanese Industrial Standards for fabric stiffness
3. Technical Specifications
| Feature | Specification |
|---|---|
| Testing Principle | Cantilever bending |
| Specimen Support | Smooth, low-friction horizontal platform |
| Weighted Slide | Advances at constant rate over specimen |
| Bend Angle Indicator | Adjustable to 41.5° (0.724 rad) or 45° (0.785 rad) |
| Bend Angle Scale | Easy-to-read, 5° graduations |
| Specimen Ledge Width | Standard 1.5 inches (38 mm), custom options available |
| Operation | Auto reverse and manual forward modes |
| Construction | Aluminum and solid stainless steel components |
| Finish | Durable powder coat and anodized finishes |
4. Product Advantages and Features
Accurate and reliable – Provides quick, repeatable stiffness measurements.
Versatile testing – Compatible with a wide variety of fabrics, leather, and flexible sheet materials.
Customizable – Adjustable bend angles and ledge widths for specialized testing.
User-friendly – Simple operation with clear bend angle reference scale.
Durable design – Solid aluminum and stainless steel construction with long-lasting powder coat and anodized finish.
Flexible operation – Offers both automatic reverse and manual forward movement for convenience.
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