Plastics Technology Laboratories  

Peel Tests

ASTM D903, D1876, D3167

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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.

Break type - cohesive, adhesive, or substrate.
Peel strength.

Equipment Used:
Instron Universal Tester
Peel Fixtures
Pneumatic Grips

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**Please note that this test description is intentionally generic in nature and aimed at providing a descriptive summary to enhance test understanding. For more information please contact a Intertek PTL Technical Representative at . Due to copyright restrictions, we are not able to provide copies of standards. Standards can be obtained from appropriate standards authorities.

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