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ASTM D 8336 : 2024

Current

Current

The latest, up-to-date edition.

Standard Test Method for Characterizing Tack of Prepregs Using a Continuous Application-and-Peel Procedure

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

22-03-2024

€61.92
Excluding VAT

Committee
D 30
DocumentType
Test Method
Pages
15
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

1.1This test method covers measurement of adhesion (tack) between partially cured (B-staged) composite prepreg and a surface in a peel test, under specified conditions. The test may be conducted to measure tack between a flexible layer of prepreg and another prepreg layer bonded to a rigid substrate (Method I) or a rigid metal substrate (Method II). This test method is primarily geared towards material characterization for automated material layup but can be modified for use with other processes. It is well known that material tack is a function of multiple processing and environmental variables. Permissible composite prepreg materials include carbon, glass, and aramid fibers within a B-staged thermoset resin.

1.2Measured tack is specified in terms of a peel force at a given specimen width.

1.3Units—The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.4This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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