Mil c8514 coating compound, metal pretreatment, resinacid. Mil a8625f type iib class 2 black, blue, red mil a8625f type iii class 1. Qualified product list of products qualified under performance specification mil dtl 81706 chemical conversion materials for coating aluminum and aluminum alloys this qpl has been prepared for use by or for the government in the acquisition of products covered by the subject specification and inclusion of a product is not intended to and does. The current specification 2009 is mil dtl 5541f, which superseded mil c5541e in july 2006. Apr 02, 2009 chemical conversion coating mil dtl 5541 type 2, class 1a hexavalent free chrome. Mil dtl 5541 is a military specification related to conversion coatings. Mil mil dtl 5541f chemical conversion coatings on aluminum and aluminum alloys superseding mil c5541e standard by military specifications and standards, 07112006 amendments available.
Mil c 5541f, chemical films, chromate iridite, aluminum chemical film coatings are gelatinous films which provide some sort of a barrier medium to retard corrosion on aluminum surfaces and enhance adhesion of subsequent coatings such as paints and primers. This primer is also not to be used with powder topcoat conforming to mil prf32348, type iii. This document is available in either paper or pdf format. Aluminum chromate conversion coating advanced plating. Mildtl 5541 chemical conversion coatings on aluminum and aluminum alloys. Compatible with chemical agentresistant aliphatic polyurethanetopcoats. The prevalence of manual engineering methods in wiring harness manufacturing compounds these challenges, especially as harness complexity increases. Iridite chromate conversion coating finish milc5541. Alternative corrosion protection pretreatments for aluminum alloys. Here is a quote from mil dtl 5541f materials qualified under mil dtl 81706 produce coatings that range in color from clearcolorless to iridescent yellow, brown, gray, or blue. Mildtl5541f supplier cannot be mixed or used to strengthen an existing solution from another material supplier. Mil dtl 5541f chemical conversion coatings on aluminum and aluminum alloys.
The proper aircraft primers are either mil prf23377 or mil prf85582. This is created through the chemical conversion substance reaction with aluminum and its alloys. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. Mil dtl 81706b, class 1a and class 3, form i liquid, method c immersion and mil dtl 5541f. Mildtl5541 chemical conversion coatings on aluminum and. Mil dtl 53030d, type ii is a two component haps free, 2. The current specification 2009 is mildtl5541f, which superseded milc5541e in july 2006. Mil dtl 81706 chemical conversion materials for coating aluminum and aluminum alloys. For the time being, many chromatefree alternative products are available, but. This family of compounds is formulated to provide a conversion coating on aluminum that will meet a military specification, mil dtl 5541f, which describes chemical conversion coatings on aluminum and aluminum alloys, and mil dtl 81706 that describes the processes certified for use.
These coatings can modify the surface of the aluminum material for improved corrosion resistance, electrical. Tricoms mildtl53030d primer is lead and chromate free. Chromicoat l25 is also listed on boeing process specification bac 5719 for type i. The coating shall also be free from breaks, scratches, flaws, or other defects that will reduce serviceability or be detrimental to appearance. The mil dtl 83723 uses mil standard as39029 crimp contacts as well as solder cups and pc tail terminations in sizes 12, 16, and 20 and is available in over 30 insert arrangements, from 2 to 61 contacts. There are definitely a couple of tricks to passing mil dtl 5541f, type ii, class 1a for al 2024, and they apply to type i, also. Mil mildtl5541f chemical conversion coatings on aluminum and aluminum alloys superseding mil c5541e standard by military specifications and standards, 07112006 amendments available. Mil dtl 81706b 25 october 2004 superseding mil dtl 81706a 18 february 2002 detail specification chemical conversion materials for coating aluminum and aluminum alloys this specification is approved for use by all departments and agencies of the department of defense. Chromicoat l25 is listed on the qualified products list qpl81706. Difference between milc5541e, amsc5541, and mildtl541f.
For type ii materials, existence of a coating should be verified per the. Contact ens technology regarding chromate conversion coating mildtl5541 today. The specification is approved for use by all departments and agencies of the united states department. Mildtl5541f chemical conversion coatings on aluminum. All assured cyclic chambers are plc controlled, allowing 247 automated exposure and providing uniform, repeatable results each test cycle. Please help us to maintain, improve and expand the library by making a contribution, giving us the means to expand our free technical library to include even more useful tools and references. Mildtl 5541 is a military specification related to conversion coatings. Welcome to, your premiere source for free downloads of government and military standards, specifications, handbooks, and documents. Chemical film coatings are gelatinous films which provide some sort of a barrier medium to retard corrosion on aluminum surfaces and enhance adhesion of subsequent coatings such as paints and primers.
Process specification for the heat treatment of aluminum. The spec is free for download search for assist quick search to get the government site. Although mil dtl 5541 has been superseded by more recent specifications, it still remains a specification approved by all agencies and departments in the us department of. A two component, air dry, water reducible epoxy type primer for ferrous and nonferrous metals. It shall be free from areas of powdery or loose coating, voids, scratches, flaws, and other defects or damages.
It may be used as a primer under polyurethane chemical agent resistant coatings carc specified in mil dtl 53039. It may be used as a primer under polyurethane chemical agent resistant coatings carc specified in mil dtl 53039, mil dtl 64159, mil prf 22750, or mil prf85285 type ii. Mildtl53030d, type ii haps free waterborne epoxy primer. Aluminum chromate conversion coatings per mil c5541 mil dtl 5541 and astm b44993 advanced plating technologies no longer offers chromate services. How to pass mildtl5541f for aluminum products finishing. Pdf mil c5541 mildtl 5541 mil a8625 mil c26074 mil f18240. Although prepared specifically for dod applications, the standard is used for many commercial applications as well. Mil dtl 81706 chemical conversion materials for coating aluminum and aluminum alloys this qpl has been prepared for use by or for the government in the acquisition of products covered by the subject specification and inclusion of a product is not intended to and does not connote endorsement of the product by the department of defense. Materials qualified under mil dtl 81706 produce coatings that range in. Coatings shall be continuous free from powdery areas, breaks, scratches, etc. Mil dtl 5541f, wash primer dodp15328d, e90g4, or anodize per mil a8625f. Mildtl5541 chemical conversion coatings on aluminum.
A spec or slash sheet identifies a specific piece or section of a general specification or standard. Mil dtl 5541f detail specification, chemical conversion coatings on aluminum and aluminum alloys 7. Chemical conversion coatings on aluminum plating per mil dtl 5541 and mil c5541 conversion coatings for aluminum meets requirements of military specifications mil dtl 5541 specifications aluminum alloys and coatings benefit from additional protective features of conversion coatings. Mil dtl 53072e 2 mil dtl 5541 chemical conversion coatings on aluminum and aluminum. We offer an rohscompliant clear trivalent chromium process that is free from hexavalent chromium and complies with the requirements of mil dtl 5541f class 3. This specification is approved for use by all departments and agencies of the department of defense. If you are processing parts and have no obligation to conform to mil dtl 5541 link is to free spec at defense logistics agency, dla.
Not measurement sensitive mildtl5541f 11 july 2006 superseding milc5541e 30 november 1990 detail specification che mical. Difference between milc5541e, amsc5541, and mildtl. The specification is approved for use by all departments and agencies of the united states department of defense dod. An nsn, although displayed or written as a continuous string of digits, consists of two separate components the fsc and niin. Mildtl5541f chemical conversion coatings on aluminum and. Mil dtl 28840 shipboard the standard connector and backshell series for shipboard use, mil dtl 28840. We also offer the more traditional process for gold and yellow mil dtl 5541f class 1a requirements. A national stock number nsn is a thirteen digit number uniquely identifying a single government part designation. Type ii trivalent chromate is the rohsrestriction of hazardous substances compliant. We offer mil dtl 5541f finishing to meet the rohs directive. Mil mildtl5541f notice 1 validation 1 chemical conversion coatings on aluminum and aluminum alloys. Please use the below content for reference only the chromate process provides a clear iridescent to slightly golden iridescent film of low contact resistance. The trivalent chromium process tcp provides a non hexavalent chrome coating compliant with rohs, elv and weee directives. Sep 17, 2015 mil dtl 5541f type i materials, existence of a coating can be verified by using a simple spot test specified in astmb449.
Currently, only the trivalent chromate formulation developed by navair is listed in the mil dtl 81706 link is to free spec at defense logistics agency, dla. Mildtl8795 hose assemblies, elastomeric, hydraulic, fuel. Mil dtl 5541 type ii class 1a trivalent chromate, low electrical resistance rohs compliant chemical film mil dtl 5541 type ii class 3 hardcoat, nondyed natural, clear hardcoat mil a8625 type iii, class i ams2468 ams2469 astm b58079 type a 7. I agree, ted the biggest difference between mil c5541e and mil dtl 5541f is that the buyer can ask for a type ii coating which will contain no hexavalent chromium. This primer is acceptable for use on aviation ground support equipment where mil prf85285, type ii topcoat is used. Fluid immersion connectors shall meet mating force requirements following 20 hours immersion in synthetic lubricating oil and 1 hour immersion in coolanol 25 when tested in. It shall be free from areas of powdery or loose coating, voids. Mildtl8795 hose assemblies, elastomeric, hydraulic, fuel, and oil resistant, general specification for. Often, sodium metasilicate is used as a builder for lightmetal cleaners. Color can vary from colorless to golden iridescent brown. Mil dtl 5541f corrosion shelf life avaliacao gratuita.
Clean and remove oxidation contamination on surface, followed by treatment with dodp15328d wash primer, e90g4, or chemical pretreat with zinc phosphate. Pdf milc5541 mildtl5541 mila8625 milc26074 milf18240. Mildtl5541f type i materials, existence of a coating can be verified by using a simple spot test specified in astmb449. Mildtl5541f chemical conversion coatings on aluminum and aluminum alloys. Nov 29, 2014 the current specification 2009 is mil dtl 5541f, which superseded mil c5541e in july 2006. The military specification referred to as mildtl5541, military specification, chemical.
Taxpayers already paid the dod to develop and maintain it. This specification describes chromate conversion coatings and their reactions with aluminum alloys. Wiring harness manufacturing is a sophisticated and challenging business where quality, accuracy, and speed are essential to success. First, we highly recommend using an allpurpose, nonetch lightmetal cleaner. The documents listed in this section are specified in sections 3 and 4 of this specification.
Military details mil dtls, military specification mil specs, military performance specification mil prfs scroll down the page and click the documents below to view military details assist quick search. Management manual, or the designated shelflife points of contact poc. This section does not include documents cited in other sections of this specification or recommended for additional information or as. Not measurement sensitive mildtl5541f 11 july 2006. Although mildtl 5541 has been superseded by more recent specifications, it still remains a specification approved by all agencies and departments in the us department of. The documents listed in this section are specified in sections 3 or 4 of this specification. Contact ens technology regarding chromate conversion coating mil dtl 5541 today. Amendment by military specifications and standards, 04092019. Mil mil dtl5541f notice 1 validation 1 chemical conversion coatings on aluminum and aluminum alloys.
Mil a8625 anodic coatings for aluminum and aluminum alloys. Tricoms mil dtl 53030d primer is lead and chromate free. Mil dtl 5541f revision f is the latest military spec for chromate conversion coatings on aluminum replacing mil c5541e. Mil dtl 5541 chemical conversion coatings on aluminum and aluminum alloys this specification covers chemical conversion coatings formed by the reaction of chemical conversion materials with the surfaces of aluminum and aluminum alloys. The name, alodine is a registered trade name of henkel surface technologies. Mil dtl 81706b chemical conversion materials for al mil dtl 81706b chemical conversion materials for al. Chemical conversion coating mildtl5541 type 2, class 1a. Courtesy of longlok fasteners corporation created date.
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