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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

ParameterSpecifications
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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