【2017年整理】SMTC 5 400 007.docVIP

目 次 前言Foreword II 1 范围Scope 1 2 规范性引用文件Normative references 1 3 要求requirements 2 4 试验方法Test method 2 4.1原理Principle 2 4.2试验设备Test equipment 2 4.3光照试验条件Weathering conditions 2 4.4试验样品Specime 3 4.5光照试验Weathering test 4 4.6试样的评定Evaluating the specimens 5 4.7试验报告Test report 6  前 言 本标准由材料分标委提出。 本标准由上汽股份技术中心技术标准化委员会归口。 本标准由上海汽车股份有限公司乘用车公司车身部负责起草。 本标准主要起草人为：何玉松 本标准于2009年月日首次批准发布，2009年月日实施。 Foreword This standard was proposed and approved by Technical Committee of Standardization of SAIC Motor Technical Center. This standard was examined and verified for standardization by Specification Management Section of Engineer Support Department. The draft department of this standard: Body Dept. The main drafters of this standard: He yusong. This standard was first approved and issued from 31 Dec 2009 and it will be implemented from 31 Dec 2009. 非金属材料 湿热气候下的光照试验 Non-Metallic Materials Weathering in Moist, Hot Climate 范围 本标准描述了评定塑料，橡胶，可折叠车顶织物，喷涂油漆以及类似涂层等在经历日光照射后老化行为（如颜色，光泽的改变）的试验流程。 本试验通过在湿热气候(如佛罗里达) 下进行光照来完成。 本试验用于对试样与标准产品的监控。 注释: 在一些特定的应用上，老化标准可能还包括力学性能或破裂的变化. 因这个原因, 除目视评定，颜色与光泽度测试之外，还需要额外的试验来对此进行评定。这些试验可能包括拉伸试验，冲击阻力试验， 硬度测试以及金相微观等试验。 Scope This standard describes the procedure for testing the aging behavior (e.g., change in color and gloss) of plastics, elastomers and folding-top cloths as well as paintwork and similar coatings that are subjected to weather and daylight. Testing is carried out by means of artificial weathering in a moist hot climate (e.g., Florida). The test is used for sample and standard production monitoring. NOTE: For certain applications, the aging criteria may consist of changes in the mechanical properties or cracking. For this reason, additional tests may be required along with the visual evaluation and color and glossiness measurements. These tests may include tensile tests, determination of impact resistance, determination of hardness and microscopic examinations, for example. 规范性引用文件 下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件，