Elmendorf Tearing Strength Tester - Test Equipment
TheManual Tear Strength Testeris a precision instrument designed to measure the tear resistance of materials using standardized methods such as the Elmendorf or tongue tear test. It evaluates the force required to propagate a tear in textiles, plastics, rubber, and composites, ensuring compliance with international quality standards.
Type:Mechanical pendulum tear tester
Test Standards:ASTM D1424 (Elmendorf), ISO 34 (Tongue method)
Tear Modes:
Elmendorf:Single-edge tear propagation
Tongue:Central slit expansion
Capacity:50–5000 mN (adjustable via pendulum weights)
Sample Size:63×127mm (Elmendorf) / 50×200mm (Tongue)
II. Technical Specifications
| Parameter | Specifications |
|---|---|
| Pendulum Range | 160–640 g (9 different weights) |
| Clamping Force | 50±5 N (adjustable via screw mechanism) |
| Tear Speed | 1.2±0.2 m/s (controlled by pendulum drop height) |
| Measurement Accuracy | ±1% FS (ISO 376 standard) |
| Dimensions | 800×400×1200mm (L×W×H) |
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