This requirement does not apply to areas of slight discoloration or fading such as those areas that may result from chromate leaching during salt spray exposure.” PAGE 9 TABLE II: Add “2/ III” to column 2, row 3, Applicable type I, IB, IC, II, IIB. Add the following footnote ...
Anodic coatings for aluminum and alumtnum alloys shall be of the following types and classes, as specified (see 6.2.1): 1.2.1 Types Type 1A - Conventional coatings produced from chromic acid bath (see 3.4.1) Type 18 - Low voltage chromic acid arodizing (20V) Type II - Conventional ...
铝及铝合金阳极氧化镀层的军用规范 本规范经国防部各部门和机构批准使用 1.范围 1.1范围. 本标准包括非建筑用途的铝及铝合金的 6 个类型和 2 个等级电解生成的阳极氧化镀层的要求(见 6.1)。1.2分类. 本规范涵盖的阳极镀层类型和等级如下所述(见6.2和6.21):2.引用文件 2.1政府文件.
shall meet the requirements of this specification for type II anodic coatings. If copy and background color are added to photosensitive nameplates, silver compounds or dyes shall be used. Unprocessed photosensitive aluminum shall be classified as class 1. Nameplates made from photosensitive ...
MIL-A-8625 中文版
(see 3.4.2 and 6.1.2) IIB类硫酸阳极氧化膜,应用非铬酸的配方生成的I和IB类氧化膜(见3.4.1和 6.1.2) Type III- Hard Anodic Coatings (see 3.4.3) III类硬质阳极氧化膜(见3.4.3) 1.2.2 Classes.等级 Class 1 - Non-dyed (see 3.5.) 1级-无染色(见3.5) Class 2 - Dyed (see 3.6.) 2级...
nameplates. when type ii anodic coatings are specified for use in photosensitized nameplates, oxalic acid anodizing may be used in lieu of sulfuric acid anodizing. if oxalic acid anodizing is used, the resultant coating shall meet the requirements of this specification for type ii anodic coatings....
If wetting agents are used they shall be of the non-ionic type. 3.8.1.1 Class 1. Hhen class 1 is specified, sealing shall be accomplished by immersion in a sealing medium such as a 5 percent aqueous solutlon of sodium or potassium bichromate (PH 5.0 to 6.0) for 15 minutes at 90"C...
nameplates. When type II anodic coatings are specified for use in photosensitized nameplates, oxalic acid anodizing may be used in lieu of sulfuric acid anodizing. If oxalic acid anodizing is used, the resultant coating shall meet the requirements of this specification for type II anodic coatings....
bath (see 3.4.2)Type IIB - Thin sulfuric acid anodizing, for use as a non-chromate alternative for Type I and IB coatings (see 3.4.2 and 6.1.2)Type III - Hard Anodic Coatings (see 3.4.3)Class 1 - Non-dyed (see 3.5.)Class 2 - Dyed (see 3.6.)