ANSI/ASTM D4364-1994 用聚集自然阳光法实施塑料加速室外气候老化的实施规程

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标准号:ANSI/ASTM D4364-1994
中文标准名称:用聚集自然阳光法实施塑料加速室外气候老化的实施规程
英文标准名称:Practice for Performing Accelerated Outdoor Weathering of Plastics Using Concentrated Natural Sunlight (08.03)
标准类型:G31
发布日期:1999/12/31 12:00:00
实施日期:1994/9/6 12:00:00
中国标准分类号:G31
国际标准分类号:83.080.01
适用范围:This practice covers the use of Fresnel-reflecting concentrators that use the sun as a source of ultraviolet (UV) and longer wavelength radiation. Such devices are used in the outdoor accelerated exposure testing of plastics. This practice provides a procedure for performing outdoor accelerated exposure testing of plastics using a Fresnel-reflector outdoor accelerated weathering test machine. The apparatus is described herein and in Practice G 90 more completely. This practice is applicable to a range of plastic materials including, but not limited to, plastic films, sheets, laminates, and extruded and molded products in a variety of shapes and sizes, as specified in . This practice describes test conditions that attempt to simulate plastics exposures in desert and subtropical climates. Specimen preparation, property testing procedures, and the evaluation of results are covered in existing test methods or specifications for specific materials. 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. Specific precautionary statements are given in Section .This standard and ISO 877.2-1991, Method C, are technically equivalent.

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