评级标准.doc

标准具体细节 ISO 4582-2007 标准名称: Plastics---Determination of changes in color and variations in properties after exposure to daylight under glass, natural weathering or laboratory light sources 标准内容:此标准包括三个部分的评价 1. 颜色改变 Change in color 1 )仪器方法 Instrumental method :色差仪(积分球光度计) ,参照标准 ISO 7724; 2 )灰标法 visual assessment using a scale :采用标准 ISO 105-A02 (深色试样) 或 ISO 105-A03 (浅色试样) 2. 除颜色外其他外观性能的变化 P roperty assessed ISO Standard Q uantitative data G loss retention L ight transmission H aze C halking M ass D imensions C racking or crazing D elamination W arping G rowth of anism M igration ponents to surface ISO 2813 ISO 13468 ISO 14782 ISO 4628-6 Yes Y es Y es S cale Y es Y es S cale S cale S cale S cale S cale 3. 机械性能或其他性能的改变 changes in mechanical or other properties P roperty assessed ISO standard T ensile properties, particularly extension at break F lexural properties I mpact strength C harpy impact strength I zod impact strength N on-instrumented puncture test I nstrumented puncture test T ensile impact test V icat softening temperature T emperature of deflection under load D ynamic mechanical thermal analysis C hemical changes (for example using infrared spectroscopy) ISO 527 ISO 178 ISO 179 ISO 180 ISO 6603-1 ISO 6603-2 ISO 8256 ISO 306 ISO 75 ISO 6721 ASTM D2244-09b 标准名称: Standard practice for calculation of color tolerances and color differences from instrumentally measured color c