发布时间 : 星期六 文章汽车外用有色塑料零件通用试验要求更新完毕开始阅读
汽车外用有色塑料零件通用要求
1 SCOPE 范围
本标准规定了汽车外部着色塑料零件的通用要,这里任何色彩或部件都是由塑料自身染
色而制成的。
提示：适用于汽车内部和外部塑料部件着色的性能要求按EDS-T-7010. 2
除非在相关试验方法中有规定，测试样品采用完成品或部件。至少3件样品用作工程测试，至少1件样品用作质量检验。
3
试验样件在加工完成后72小时内不能用于试验，除非另有规定必须满足试验方法需要。对于5.1—5.4条的试验，试验样件应是一般样件（也就是说不经过特殊预处理）。
4
4.1
4.2
4.3
4.4
4.5
TEST PIECES 试验样件
CONDITIONING 检验
设备
设备要求见第5条
烘箱的温度能控制在指定的误差范围内。
调温调湿箱能控制在指定的环境条件误差范围内。
低温试验箱能将温度控制在-30?C?3K的范围内。
氙灯耐气候仪型号：AH或BH（SAE J 1960）
5 REQUIREMENTS 试验要求
TEST ITEMS TEST METHOD 试验项目 试验方法 Weather-Ometer The test shall be carried out according to EDS-T-7422 Resistance . 耐气候能力 ?Inner and Outer filter: Borosilicate ?Radiant exposure: 0.55 W/m2 ?Radiant energy: 2500 KJ/m2 min. ?Test program Cam No. 7: 102 minutes light only 18 minutes light and spray ?Black panel temperature: +70?C ?2K， 测试必须按EDS-T-7422进行: 内\\外过滤器: 硼硅酸盐 辐射暴露量:0.55w/㎡ 辐射能量：2500kj/㎡ 试验程序：NO.7 102分钟照射. 18分钟照射和喷淋 黑色面板温度: +70?C±2k Test pieces shall be exposed for Resistance to Humidity (168?2) hours in a humidity 耐潮湿能力 cabinet operating at +40?C ?2K and (93?2)% relative humidity. 试验样件应在相对温度为+40?C ?2K 和湿度为(93?2)%的调温调湿箱里暴露168?2个小时. REQUIREMENTS 要求 Test pieces shall show no worse changes than the standard. Any changes shall not adversely affect the serviceability of the part. 样品试验后不得有超过规定的变化,任何变化都影响零件的耐用性, 5.1 5.2 Test pieces shall show no significant surface changes, particularly changes in colour or gloss, or other changes detrimental to serviceability. After completion of the test, the test piece shall retain the original size and show no signs of functional or appearance defects. 样品试验后不得有明显变化,特别是色彩和光泽及其它有损耐用性的变化,试验结束后试件应保持原有尺寸，并无外观和性能上的缺陷。
5.3 5.4 Test pieces shall show no significant surface changes, particularly changes in colour or gloss, or other changes detrimental to serviceability. After completion of the test, the test piece shall retain the original size and show no signs of functional or appearance defects. 样品试验后不得有明显变化,特别是色彩和光泽及其它有损耐用性的变化, 试验结束后试件应保持原有尺寸，并无外观和性能上的缺陷。 Test pieces shall be assembled to Test pieces shall show no Resistance to jigs or formers so as to simulate cracking, crazing, appreciable Temperature as closely as possible actual colour changes or other Cycling 耐温度循环变化能service conditions. The changes detrimental to 力 complete test assembly shall then serviceability. After be subjected to the following test completion of the test, the cycle: test piece shall retain the original size and show no 5.4.1 (17?0.5)h at -30?C ?3K followed by signs of functional or 5.4.2 (72?1)h +80?C ?2.5K then appearance defects. 样品试验后，不得有破裂、5.4.3 (24?1)h +40?c ?2K and 裂纹、明显的变色及其它有损(93?2)% relative humidity then 耐用性的变化, 试验结束后试5.4.4 (7 ?0.5)h at -30?C ?3K and 件应保持原有尺寸，并无外观finally 和性能上的缺陷。 5.4.5 (24 ?1)h at +40?C ?2K and (93 ?2)% relative humidity 5.4.6 Repeat cycle 5.4.1 to 5.4.5 试样应安装在接近实际使用状态的夹具或模架上，然后在下述条件下一起进行循环试验： 5.4.1 (17?0.5)h， -30?C ?3K 5.4.2 (72?1)h +80?C ?2.5K 5.4.3 (24?1)h +40?c ?2K ， (93?2)% 相对湿度 5.4.4 (7 ?0.5)h， -30?C ?3K 5.4.5 (24 ?1)h ， +40?C ?2K and (93 ?2)% 相对湿度. 5.4.6 重复 5.4.1 至 5.4.5循环 Resistance to Heat Ageing 耐高温能力 Test pieces shall be exposed for (168 ?2) hours in an air circulating oven operating at +70?C ?2K. 试验件应在+70?C ?2K的烘烤箱内暴露168?2个小时.
5.5 5.6 5.7 5.8 The test shall be carried out according to EDS-T-7622. （The Requirement and 耐二氧化硫腐蚀能additional requirements shall be 力 specified on the relevant drawing. Unless the test shall be specified on the drawing, it is excluded） 测试必须按EDS-T-7622.进行。(相关制图中必须注明要求及附加要求。除非它已经被标明，无需在制图中表示) The test shall be carried out according to EDS-T-7623. Resistance to Sulphur Staining （The Requirement and 耐硫化氢腐蚀能力 additional requirements shall be specified on the relevant drawing. Unless the test shall be specified on the drawing, it is excluded） 测试必须按EDS-T-7623.进行。(相关制图中必须注明要求及附加要求。除非它已经被标明，无需在制图中表示) The test shall be carried out Compatibility 相容性 according to EDS-T-7006-BIXY. （The Requirement and additional requirements shall be specified on the relevant drawing. Unless the test shall be specified on the drawing, it is excluded） 试验按TWR-249CS-0043进行 (相关制图中必须注明要求及附加要求。除非它已经被标明，无需在制图中表示) The test shall be carried out Resistance to according to EDS-T-7617-1B Fuel 耐燃油能力 试验按EDS-T-7617-1B进行。 Resistance to Sulphur Dioxide Staining Test pieces shall show no visible change of the surface which was in contact with the reagents. 试验样品与试剂接触表面不得有明显变化。 Test pieces shall show no visible change of the surface which was in contact with the reagents. 试验样品与试剂接触表面不得有明显变化。 After test, there shall be no evidence of contact or migration staining. 试验后，不得有明显的传播或颜色渗透。 No change of surface e.g. change in gloss, shrinkage, discolouration, wrinking(Creasing), blistering, distortion, cracking, etc 表面无色泽变化、收缩、脱色、起皱、起泡、变形、破裂等现象。