ASTM D1781, Standard Test Method for Climbing Drum Peel for Adhesives, is the test method for peel resistance.
ASTM D1781 Standard Test Method for Climbing Drum Peel for Adhesives
At a Glance
Document type: Test Method.
Edition: active, edition D1781-98(2021).
Property determined: peel resistance.
Values reported: a rigid adherend, between the relatively flexible facing of a sandwich structure, its core, when tested under specified conditions.
Scope
Determination of the peel resistance of adhesive bonds between a relatively flexible adherend and a rigid adherend, and between the relatively flexible facing of a sandwich structure and its core, when tested under specified conditions.
Gives comparative rather than fundamental measurements of adhesion and is particularly suitable for process control.
Sensitive to adherend surface preparation.
What the Result Tells You
A test to ASTM D1781 returns a rigid adherend, between the relatively flexible facing of a sandwich structure, its core and when tested under specified conditions. Each value is reported against the specimen geometry and the conditions the method fixes, which is what makes results from two laboratories directly comparable.
Because the numbers depend on those fixed conditions, a result is only meaningful when the report names the standard, the edition and any options the method allows.
Equipment for This Standard
Equipment on our site referenced against ASTM D1781:
Composite Grips and Fixtures for Tensile, Shear, and Delamination Tests
Reading the Designation
ASTM D1781: the designation as published by the issuing body.
Year suffix: the revision is identified by its year, as in ASTM D1781-21. A specification that names an edition fixes that edition; a later revision does not apply to an order retroactively.
When a drawing, purchase order or quality procedure cites this document, the test setup, the specimen and the report follow that citation.
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