Photographs have been adapted for the website; dimensions may vary.
Fabric Stiffness Tester — Manual (Fixed Angle)
Kumaş Sertlik Test Cihazı — Manuel (Sabit Açılı)
Determines the bending length, flexural rigidity and bending modulus of fabric by the fixed-angle (41.5°) inclined plane method. Fully manual operation; suitable for woven, laminated, pile, knitted and raised fabrics. Used to assess the stiffness of products such as blankets, airbag fabrics and protective clothing.
Model technical data
- Inclined plane angle: 41.5° fixed.
- Scale resolution: 1 mm.
- Fully manual operation.
- Bending length, flexural rigidity and bending modulus are determined by simple operation and calculation.
- Dimensions: approx. 350 × 150 × 210 mm.
- Weight: 2 kg.
Physical specifications and utilities
| Electrical supply | Manual / passive base apparatus; no mains supply assumed. |
|---|---|
| Power / connected load | Approx. 0 W connected load for preliminary planning. |
| Overall instrument dimensions | Dimensions: approx. 350 × 150 × 210 mm. |
| Instrument weight | Weight: 2 kg. |
| Gross / shipping weight | Approx. 4.2–4.5 kg gross; estimated packing allowance. |
| Lab requirements | Level, stable working surface; specimen conditioning follows the selected method. |
Dimension order and approximate values are stated in each row. Packaging data are separate from instrument dimensions and net mass. Approx. rows are preliminary engineering estimates based on comparable equipment and function/capacity; they are not verified manufacturing measurements or standard requirements. Installation and shipment are finalised against the approved drawing and nameplate. Estimate scope: base product / one unit; external computer, bench and auxiliary plant excluded.
Specifications, dimensions, and power requirements are approximate and subject to change without prior notice for continuous design improvements.
Product technical specifications and images may vary according to manufacturing conditions and applicable standards.
Test and configuration
- Measured output / function
- Bending length and flexural rigidity
- Parameters selected for the method
- Strip size, face/direction, angle and mass per unit area
- Verification points
- Length scale and reference angle
Listed methods are application references. Suitability is established by assessing the selected hardware, current method and calibration together.
Test parameters for the reviewed method
Values belong to the stated source edition. Test recipe, fixture and delivered instrument configuration are selected together.
TS ISO 4604:2004 · 4.1-4.2
- Fixed-angle method for woven glass: observation angle 41.5°; slide width 25 mm, length at least 300 mm and mass per unit length 10 ± 2 g/cm. Template 250 × 25 mm.
BS 3356:1990 + Amendment 6337:1991 · 1–9, Figure 1; apparatus 4.1–4.3; specimens 6; procedure 7; calculation 8
- Fixed-angle flexometer: sighting angle 41.5°; slide width 25 mm and mass 180 ± 2 g. Length accuracy at least 1 mm; timing accuracy ±1 s. These describe the test fixture, not equipment external dimensions or net mass.
- Specimen 25 ± 1 × 200 ± 1 mm; at least three in each direction. Advance about 25 mm per 5 s and assess both faces. Overhang L = 2C; flexural rigidity G = 0.10 M C³ (M: g/m²; C: cm; G: mg·cm). Record direction, face, replicates and means.
Control and recording specification
The following are method-specific software/recording requirements; delivered software modules are defined by the order scope.
- The need for integrated software depends on the method and selected hardware; manual instruments use an external test record.
- Method code and edition, specimen ID, operator and selected test parameters are linked to the record.
- The calculation and endpoint are defined by the selected method edition; instrument signals and operator assessments are kept distinct.
- Raw measurements, units, valid/invalid test flags and the reported result remain traceable.
- Calculations are checked against known inputs and an independent calculation; sensor channels are checked against calibration values.
Test standards
- ISO 4604 Reinforcement fabrics — Determination of conventional flexural stiffness — Fixed-angle flexometer method
- BS 3356 Method for determination of bending length and flexural rigidity of fabrics
- ASTM D1388 Standard Test Method for Stiffness of Fabrics
- ISO 9073-7 Nonwovens — Test methods — Part 7: Determination of bending length
- DIN 53362 Testing of plastic films and textile fabrics (excluding nonwovens), coated or not coated plastics - Determination of stiffness in bending - Method according to Cantilever
- GB/T 18318.1 Textiles — Determination of bending behavior — Part 1: Incline method
- ERT 50-2
Prices start from €18. Request the technical specification and a quotation for this instrument.
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