BS EN ISO 6272-1:2004
色漆和清漆.快速变形(抗冲击)试验.大面积压头的落锤试验

Paints and varnishes - Rapid-deformation (impact resistance) tests - Falling-weight test, large-area indenter

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标准号

BS EN ISO 6272-1:2004

发布

2004年

发布单位

英国标准学会

替代标准

BS EN ISO 6272-1:2011

当前最新

BS EN ISO 6272-1:2011

 

 

适用范围

This part of ISO 6272 describes a method for evaluating the resistance of a dry film of paint, varnish or related product to cracking or peeling from a substrate when it is subjected to a deformation caused by a falling weight, with a 20-mm-diameter spherical indenter, dropped under standard conditions. NOTE The term “impact resistance” is included in the title of this part of ISO 6272, but one important characteristic of the apparatus used is that it should produce rapid deformation rather than a true impact. The method described can be applied — either as a pass/fail test, the test being carried out from one drop height and with a specified mass, so as to test compliance with a particular specification; — or as a classification test, to determine the minimum mass and/or drop height for which the coating cracks or peels from its substrate by gradually increasing the drop height and/or the mass.

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