ASTM D covers the determination of tear strength or tear resistance of flexible plastic film and sheeting. The site of tear is initiated by a high stress. GeoTesting Express is a provider of Geosynthetic Testing Services – ASTM D,Standard Test Method for Initial Tear Resistance of Plastic Film and Sheeting. ASTM D Standard Test Method for Tear Resistance (Graves Tear) of Plastic Film and Sheeting.
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Tear Resistance ASTM D
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Testing Evaluating how your products and services meet and exceed quality, asm, sustainability and performance standards.
Instron ASTM D Plastic Film and Sheeting – Instron
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ASTM D1004-13 Tear Resistance (Graves Tear) of Plastic Film and Sheeting
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Tear resistance measures the ultimate force required to tear film or sheet. It is often used for quality control checks or for material comparison where tear failures are possible.
The average thickness of the specimen is measured. The specimen is then placed in the grips of the testing machine and pulled at a rate of 2 in.
The specimen is die cut to the appropriate shape from a sheet. The shape of the specimen is designed to create a tear when the specimen is pulled in tension. Die C specimens are commonly used. The resistance is measured in Newtons.
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