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Manual Tear Strength Tester

Get a quote:

Whats/App: +86 185 0176 3615

Web: qinsun-lab.com

Email: serving@qinsun-lab。com

I. Product Overview

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)

III. Key Features

Dual Test Modes:

Elmendorf Test:High-speed single-edge tear

Tongue Test:Simulates real-world stress cracks

Advanced Features:

Digital force gauge (0.1N resolution)

Auto-zero calibration system

Anti-slip clamping jaws

Manual Operation:

Cranks for pendulum lifting (no electricity required)

Ratchet safety lock

Modular weights for customization

IV. Compliance Standards

ASTM D1424 (Textile tear resistance)

ISO 34 (Plastics and rubber tear methods)

EN ISO 6383-2 (Rubber tear strength)

GB/T 3917.1 (Chinese textile standard)


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