Peel Tests
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ASTM D903, D1876, D3167
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Scope:
The Peel Test measures the strength required to pull apart a bonded surface. It is useful in evaluating adhesives, adhesive tapes, or other attachment methods.
Test Procedure:
After the sample is measured for thickness, it is placed in a fixture in a universal tester. The specimen is pulled at the specified speed until either the part or the bond fails. Types of failure are noted as cohesive, adhesive, or substrate failure.
Specimen size:
Two 6 in. x 1 in. specimens are superimposed on one another and bonded by adhesive, or other method, in the center.
Data:
Break type - cohesive, adhesive, or substrate.
Peel strength.
Equipment Used:
Instron Universal Tester
Peel Fixtures
Pneumatic Grips
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