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Standard Test Method for Peel Strength of Metal Electroplated Plastics
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NORMA vydána dne 1.10.2019
Označení normy: ASTM B533-85(2019)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.10.2019
Kód zboží: NS-972577
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
electroplated plastic, peel strength test,, ICS Number Code 25.220.40 (Metallic coatings)
Significance and Use | ||
4.1 The force required to separate a metallic coating from its plastic substrate is determined by the interaction of several factors: the generic type and quality of the plastic molding compound, the molding process, the process used to prepare the substrate for electroplating, and the thickness and mechanical properties of the metallic coating. By holding all others constant, the effect on the peel strength by a change in any one of the above listed factors may be noted. Routine use of the test in a production operation can detect changes in any of the above listed factors. 4.2 The peel test values do not directly correlate to the adhesion of metallic coatings on the actual product. 4.3 When the peel test is used to monitor the coating process, a large number of plaques should be molded at one time from a same batch of molding compound used in the production moldings to minimize the effects on the measurements of variations in the plastic and the molding process. |
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1. Scope | ||
1.1 This test method gives two procedures for measuring the force required to peel a metallic coating from a plastic substrate.1.2 The tests are performed on standard molded plaques. This method does not cover the testing of production electroplated parts. 1.3 The tests do not necessarily measure the adhesion of a metallic coating to a plastic substrate because in properly prepared test specimens, separation usually occurs in the plastic just beneath the coating-substrate interface rather than at the interface. It does, however, reflect the degree that the process is controlled. 1.4 This 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. 1.5 This 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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2. Referenced Documents | ||
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