MIL-DTL-5541 是表面本色钝化处理。这是美国军用标准,针对铝合金,做表面钝化工艺的一个规范。需求不含...
MIL-DTL-5541 Type I Class 3是铝合金表面钝化处理的一种,属于美国军用标准,专用于铝合金的表面钝化工艺。该标准要求在处理过程中不含六价铬成分,以符合环保要求和减少铬酸盐的使用。其中,Type 1包含六价铬钝化膜层,而Type 2为不含六价铬的钝化。Class 1A旨在提供最大防腐保护,适用于喷涂或未...
Type II – Compositions containing no hexavalent chromium. 1.2.2 Classes. The materials, which form protective coatings by chemical reaction with aluminum and aluminum alloys, are of the following classes (see 6.1 and 6.4). Class 1A - For maximum protection against corrosion, painted or unpainted...
答案解析 查看更多优质解析 解答一 举报 非十六进制铬酸盐,每mil -迪泰- 5541 f,II型类3清晰 解析看不懂?免费查看同类题视频解析查看解答 相似问题 英文翻译:clear chromate conversion coating per ### 螺丝英文描述“SCREW, #12-24 X 1/2" LONG HEX-HEAD-SLOTTED”怎么翻译?规格是英制的吗? 特别推荐 ...
范围 1.1 范围. 本规范涵盖了化学转化材料与铝及铝合金表面反应形成的化学转化涂层。 1.2 分类. 化学转化膜的类型和等级如下: 1.2.1 类型. 化学转化涂层的类型如下(见 3.1): Type/类型 Description/描述 Type I 化学转化涂层中含有六价铬成分 Type II 化学转化涂层中不含有六价铬成分 ...
Type II Compositions containing no hexavalent chromium. aluminum and aluminum alloys, are of the following classes (see 6.1 and 6.4). Class 1A - For maximum protection against 3、corrosion, painted or unpainted. Class 3 - For protection against corrosion where low electrical resistance is ...
MIL-DTL-5541F type I materials, existence of a coating can be verified by using a simple spot test specified in ASTM-B449. For type II materials, existence of a coating should be verified per the manufacturer's recommendation 6.9 Determination of a corrosion spot or pit. As a general ...
classes.TypeI–Compositionscontaininghexavalentchromium.TypeII– Compositionscontainingnohexavalentchromium.aluminumandaluminumalloys,are ofthefollowingclasses(see6.1and6.4).Class1A-Formaximumprotectionagainst corrosion,paintedorunpainted.Class3-Forprotectionagainstcorrosionwherelow electricalresistanceisrequired. Comments,...
Type I – Compositions containing hexavalent chromium.型号I-成分包含六价铬。Type II – Compositions containing no hexavalent chromium.型号II-成分不包含六价铬。Classes. The materials, which form protective coatings by chemical reaction with aluminum and aluminum alloys, are of the following classes (...
The dry unheated air for type I shall be not warmer than 100 oF (38 oC) and for type II shall follow the manufacturer’srecommended temperature ranges.4.4.1 抗腐蚀性能测试。根据4.2.2,应准备5个测试样本用于抗腐蚀性能测试。涂层处理完成后,测试样本应在16-38摄氏度(60-100华氏度)进行24小时干燥...