ANSI/ASTM D7251-2006 杂色塑料壁板产品颜色和外观保持性的规范
【英文标准名称】: Specification for Color and Appearance Retention of Variegated Color Plastic Siding Products 【原文标准名称】: 杂色塑料壁板产品颜色和外观保持性的规范 【标准号】: ANSI/ASTM D7251-2006 【标准状态】: 作废 【国别】: 美国 【发布日期】: 2006 【实施或试行日期】: 2006-05-30【发布单位】: 美国国家标准学会(US-ANSI)【起草单位】: ANSI【标准类型】: ()【标准水平】: ()【中文主题词】: 外观;颜色保持性;塑料制品【英文主题词】: Appearance;Colour retention;Plastics products【摘要】: This specification establishes requirements and test methods for the color and appearance retention of variegated color plastic siding products. Color retention testing provides a method for estimating the acceptability of color change in a siding product over a period of years of service. Characterization of color and appearance for variegated colors is complicated by the presence of multiple colors in a random pattern. The procedure is based on using a template to reference 6 spots for color measurement. Methods of indicating compliance with this specification are provided. 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 and health practices and determine the applicability of regulatory limitations prior to use. Note 1There is no known ISO equivalent to this standard.【中国标准分类号】: G31【国际标准分类号】: 01_070;83_080_01【页数】: 【正文语种】: 英语
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