ISO 6271-1:2011
透明液体.用铂钴色标评定色度.第1部分:视觉法

Clear liquids - Estimation of colour by the platinum-cobalt scale - Part 1: Visual method

标准号

ISO 6271-1:2011

发布

2011年

发布单位

国际标准化组织

当前最新

ISO 6271-1:2011

 

 

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 terms “impact” and “impact resistance” are used in the title and text of this part of ISO 6272, but an 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, by gradually increasing the drop height and/or the mass, the minimum mass and/or drop height for which the coating cracks or peels from its substrate.

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