Mil-a-8625 type ii class 1 pdf

Teflon impregnated hardcoat anolube mil std171 finish 7. Mila 8625f type ii, iib, and ic anodic coatings conducted from march 2001 through. Sponsored links speed downloads mil c 5541 trusted download 1500 kbs 10 310 mil c 5541 highspeed download 1200 kbs 5 945 mil c 5541 full download kbs 1 290 68 p misc accy mil a 8625, type ii, class 2. May 01, 2010 the class i and class ii architectural finishes are not to be confused with the class 1 and class 2 finishes in mila8625. Mila8625f anodic coatings, for aluminum and aluminum. Cross reference specifications dchn fine metal finishing. Type ii anodizing is an abbreviation derived from the military standard mila8625 type ii category. Unless you are requesting type 3 hardcoat anodizing, the sealing process it is a process, rather than a coat it affects the characteristics of the existing coating rather than adding new material is a required part of the mila8625 specification and no anodizer should be omitting it and you can write your callout as mila8625 t2c2 black. Plating specifications general information page 2 reference only april 2018 anodize, chromic mila8625 type i coating for aluminum. The materials, which form protective coatings by chemical reaction with aluminum and aluminum alloys, are of the following classes see 6. Clearer finish permits dying with a greater variety of colors. Mildtl5541f chemical conversion coatings on aluminum. Sulfuric anodize rohs compliant type ii class 1 mil a 8625 type ii class 2 type iii class 1 type iii class 2 sulfuric anodize teflon impregnation type i mil a 63576 sulfuric anodize is rohs compliant except when used with a dichromate seal.

Mil a 8625 pdf 1627kb material anodic oxide builds up on the part. Trivalent chromium process tcp as a sealer for mila8625f. Military specification anodizing mila8625 saf southern. Mil a 8625 type ii, class 1 clear mil a 8625 type ii, class 2 colored mil a 8625 type iii, class 1 clear mil a 8625 type iii, class 2 colored we are an approved supplier for. Hardcoat anodize is type iii which is done under more exacting process conditions resulting in a harder, denser, thicker, and more abrasion resistant coating. Mila8625 type ii, class 1 clear mila8625 type ii, class 2 colored mila8625 type iii, class 1 clear mila8625 type iii, class 2 colored we are an approved supplier for.

Base materials worked aluminum and aluminum alloys. Type ii standard anodized aluminum has a coating up to 1 mil thick and is sealed to seal in the dye and close the pores after the anodizing process for improved corrosion resistance. Anoplate can certify this finish to mil a 8625 type ii both class 1 and class 2, as well as many unique customer specifications. Hardcoat anodizing type iii precision coating medical. Type ii compositions containing no hexavalent chromium. Delete milc81706 chemical conversion materials for coating aluminum and aluminum alloys. Type ii compositions containing no hexavalent chromium astm b 44993 2004 specifications. However, hard anodizing is commonly performed clear or with a black dyed finish, though some prefer the aluminum dyed different colors for aesthetic purposes. Mila8625 aluminum anodic coatings mila8625 is the military specification for anodic coatings for aluminum and aluminum alloys. Class ii is an anodic coating used for more unimposing commercial applications. Type ii sulfuric acid anodizing, conventional coatings produced from sulfuric acid bath. Anoplate can certify this finish to mila8625 type ii both class 1 and class 2, as well as many unique customer specifications. Your source for type ii conventional anodizing, type iii industrial hardcoat anodizing, color anodizing, metabrite, chromate conversion, casting impregnation, vibratory finishing, and other aluminum and metal finishing.

Color will vary from light to dark gray depending on the base alloy. Mila8625 type ii, class 1 ams2471 astm b580 type b thru f 7. Klasse 2 eingefarbte beschichtung nahere farbspezifikation. The class i and class ii architectural finishes are not to be confused with the class 1 and class 2 finishes in mila8625. Sponsored links speed downloads mil c 5541 trusted download 1500 kbs 10 310 mil c 5541 highspeed download 1200 kbs 5 945 mil c 5541 full download kbs 1 290 68 p misc accy mila8625, type ii, class 2. Type ii and 116 coatings shall be the result of treating aluminum and a,lum. The anodic coating types and classes covered by this.

Mildtl5541f chemical conversion coatings on aluminum and. Beneficalcommentsrecommendations,additions,deletionsand any pertinentdata whichmay be of use in improvingthis. Mila8625 pdf 1627kb material anodic oxide builds up on the part. Chemical processing increases corrosion resistance and improves paint adhesion. Unless you are requesting type 3 hardcoat anodizing, the sealing process it is a process, rather than a coat it affects the characteristics of the existing coating rather than adding new material is a required part of the mil a 8625 specification and no anodizer should be omitting it and you can write your callout as mil a 8625 t2c2. Class 1a for maximum protection against corrosion, painted or unpainted. The thickness should be 2 mils 50 m unless otherwise specified mila8625f. Type iiiconductive with supplementary phosphate treatment. It is the most common form of aluminum anodizing and is available in dyed and nondyed options.

Type 116 thinsulfuricacidanodizing,for use as a nonchromate alternativefor type i and 16 coatings see3. Coloring can be done with organic or inorganic dyes. Aluminum anodizing anodized aluminum type ii anodizing. Iridite milc5541 mildtl5541 type i yellow type ii clear ams2473 astm b449 7. These classes are not the same as aa class 1 and 2. Give us a thickness range any dimensional requirements drawings always help, and if there are masking requirements, they should be highlighted on the drawing sample parts always help, especially with masking aluminum alloy selection suggestions. Greetings, i am engineering student, i am designing a radiator of aluminum and wanted to consult as anticorrosive treatment but is adapted, mil c5541 class 3 versus mil a 8625 link is to free spec at defense logistics agency, dla. The aluminum object itself serves as the positive electrode. Mil a8625 latest version, type iii class 1 and class 2. Mil a 8625 aluminum anodic coatings mil a 8625 is the military specification for anodic coatings for aluminum and aluminum alloys. Hardcoat anodize mila8625 type iii 3 aluminum anodizing. Conventional type iii aluminum anodizing uses a high voltage process up to 100v to create the oxide layer. Class 3 clear or yellow for protection against corrosion where low electrical resistance is required.

Mila8625, type ii, class 1 sulfuric acid anodizing. Types the sulfuric anodizing types we adhere to are. Type ii is the conventional sulfuric acid anodize which can be decoratively dyed nearly any color and results in a thickness of 0. Teflon impregnated hardcoat anolube milstd171 finish 7. Very thin coatings similar to those produced by chromic anodizing are known as type iib. Titanium anodize type ii ams 2488 phosphoric acid anodize astm d3933 br 127 astm d393398. Chromic acid anodize type 1 typ 1b sulfuric acid anodize type 2, clear, black dye hard coat anodize, type 3, clear or black shot peening passivation ndt magnetic particle ndt penetrant astm e1417 mil c5541 or mildtl 5541 mila8625 mila8625 mila8625 ams 2430 qqp35, astm 2700 astm e 1414 astm e1417. If anyone asks for mil a 8625, type 1, be sure thats what they really want. Fort wayne anodizing reference manual its not how its made. Mil a 8625 type ii, class 1 ams2471 astm b580 type b thru f 7. Anodic coatings for aluminum and aluminum alloys this amendment forms a part of mila8625f, dated 10 september 1993, and is approved for use by all departments and agencies of the department of defense. N, milprf85582 type i class c1 and milprf85582 type ii. These chemical conversion coatings provide a corrosion preventive film for electrical and electronic applications where lower resistant contacts, relative to class 1a coatings, and anodic coatings in accordance with mila8625, are required. Aluminum hard anodizing, also known as mila8625 type iii or engineered anodizing, is similar to standard anodizing in that both are controlled electrochemical processes.

Mila8625f type ii class 2 black, blue, red mila8625f type iib class 1. Under the 8625 specification, class 1 simply means nondyed and class 2 means the anodic coating is dyed colored after the anodizing step and before sealing. I i i coatingtype i coating height mgft2 i 1 and ib 200 minimum ic1 200minimum 700maximum i ii minimum iib 200m10imum maxlnfum i j coatingweightsover 700mgft2 may be used if speclfled. Not measurement sensitive i p41la8625f 10 september 1993. Sulfuric anodize rohs compliant type ii class 1 mila 8625 type ii class 2 type iii class 1 type iii class 2 sulfuric anodize teflon impregnation type i mila 63576 sulfuric anodize is rohs compliant except when used with a dichromate seal. Anodize type ii sulfuric anodize type iii hard coat anodize phosphoric chemical film type 1 iridite 142 gold alodine 1500 clear alodine 600 gold chemical film type 2 clear rohs compliant. Technical details for mila8625 type ii and type iii pfi inc. When aluminum alloys are anodized an oxide coating is formed that grows from the base metal and leaves a hard corrosion resistant coating with excellent wear properties. It provides details, methods, and procedures for these various coatings.

Sulfuric anodize per mila8625, type ii, class 2, black. This mil spec covers the requirements for electrochemicallyformed anodic coatings on aluminum and aluminum alloys for nonarchitectural applications. Type iii anodizing is an abbreviation derived from the military standard mila8625 type iii category. It is simply a thinner anodic coating that provides better corrosion resistance than chem film chromate conversion coatings, is a nonchrome finish and provides a very adequate base for organic. This milspec covers the requirements for electrochemicallyformed anodic coatings on aluminum and aluminum alloys for nonarchitectural applications. Type thickness type ii conventional coatings produced 1. Because class 3 coatings are thinner they are more susceptible to corrosion than class 1a coatings. Iridite mil c5541 mil dtl5541 type i yellow type ii clear ams2473 astm b449 7. In type ii anodizing, the oxide layer is created by passing direct current dc through an electrolytic solution of diluted sulfuric acid. Greetings, i am engineering student, i am designing a radiator of aluminum and wanted to consult as anticorrosive treatment but is adapted, milc5541 class 3 versus mila8625 link is to free spec at defense logistics agency, dla. Techmetals has over 50 years experience in aluminum anodizing, both type ii and type iii hard coat anodize. Anodizing type ii passport instruction booklet 20 pdf class i ii.