The best results are achieved on wrought alloys machined billet aluminum alloys. 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. Mildtl81706bamendment1 chemical conversion materials for coating 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. The chemical conversion coating shall be continuous in appearance and visibly discernible in daylight. Mildtl53039e 2 type viii self contained portable kits to include but not limited to, brush, roller, aerosol and. The area to be touched up shall be not greater than 5 percent of the total item surface area see 6. Government and are not subject to protection in the u. The clear iridite 142 finish also qualifies under class 3, form ii, method c of the same specification. Parts were anodized and i rejected due to what appeared to be surface scratches.
Mildtl81706 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. Pdf corrosion performance of fieldapplied chromate. Mildtl81706bclass1a3formvimethodd aircraft products page 0 are available at jaco aerospace, offering over 1,000,000 aircraft mro and gse supply products. 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. Mil mildtl81706b chemical conversion materials for coating aluminum and aluminum alloys superseding mil dtl 81706a standard by military specifications and standards, 10252004 amendments available view all product details. Mildtl5541 chemical conversion coatings on aluminum and. This specification covers chemical conversion coatings formed by the reaction. Tcphf withstands temperatures that meet mildtl 81706b 250f allowing for greater process flexibility. This specification covers the requirements for six types and two. Mil dtl 81706b chemical conversion materials for coating aluminum and aluminum alloys. Surtec 650 chromital can be used in immersion, spray and wipe application. Mildtl5541 chemical conversion coatings on aluminum. Mildtl5541 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. Selected crvi replacement options for aluminum alloys.
This kind of film usually looks brown or gold, but can be colorless at times. Mildtl5541f chemical conversion coatings on aluminum and. Chemical conversion materials are of the following forms see 6. These conversion coatings are typically too thin to. Mildtl5541 covers all chemical conversion coatings which are known to create protection through chemical reaction with metals like aluminum and aluminum alloy. Mildtl81706 chemical conversion materials for coating aluminum and aluminum alloys this specification covers chemical conversion materials used in the formation of coatings by the reaction of the material with the surfaces of aluminum and aluminum alloys. Mildtl81706 historical revision information chemical conversion materials for coating aluminum and aluminum alloys mildtl81706 revision a superseded see the following. Email this page download pdf download pdf printable page. Qpl approved chemistries for chromate conversion chemeon. Mildtl5541f chemical conversion coatings on aluminum.
Tcphf has performed as well or better than hexavalent chromates in a variety of applications and tests. Hexavalent chromates do not perform as well when subjected to elevated temperatures. Mildtl81706b chemical conversion materials for coating aluminum and aluminum alloys. For the makeup, dilute surtec 650 chromital concentrate in deionised diwater. Nsn a national stock number nsn is a thirteen digit number uniquely identifying a single government part designation. Navy qpl81706qpd chemical conversion materials for coating aluminum and aluminum alloys active, most current details. Amphenol mildtl5015, matrix table of contents mildtl5015, matrix design characteristics, customer options 433 insert availability and identification 434, 435 insert arrangement drawings 436444. Mil mil dtl 81706b amendment 1 chemical conversion materials for coating aluminum and aluminum alloys superseding mil dtl 81706a standard by military specifications and standards, 05022006. Mildtl81706b 25 october 2004 superseding mildtl81706a 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 also listed on boeing process specification bac 5719 for type i. Henkel alodine 1200s conversion coating mildtl81706. Additionally, alodine 1200s is listed on the qualified products list, qpl81706. Chromicoat l25 is also listed on boeing process specification bac 5719 for type i immersion and type ii manual application. Mil mildtl81706b amendment 1 chemical conversion materials for coating aluminum and aluminum alloys superseding mildtl81706a standard by military specifications and standards, 05022006. The military specification referred to as mil dtl 5541, military specification, chemical conversion coatings on aluminum and aluminum alloys covers chemical conversion coatings formed by the reaction of chemical conversion materials with the surfaces of aluminum and aluminum alloys. Mildtl81706 revision a superseded see the following. The format and any coded meanings to the designation are identified and explained in the specification. Mil dtl 5541 covers all chemical conversion coatings which are known to create protection through chemical reaction with metals like aluminum and aluminum alloy. Henkel alodine 1200s conversion coating mildtl81706 class. Part number mil dtl 81706 including related part numbers and nsn starting at page 1.
Chemical conversion materials for coating aluminum and. Mildtl83420 type i, comp b on lexco cable manufacturers. Qualified product list of products qualified under performance specification mildtl81706 chemical conversion materials for coating aluminum. Mil dtl 81706b, class 1a and class 3, form i liquid, method c immersion and mil dtl 5541f. Type i compositions containing hexavalent chromium. Iridite 142 chromate coating for aluminum pegasus auto. Application is by dip, brush, swab, or spray, producing coatings ranging from clear to dark yellow.
Mila8625f anodic coatings, for aluminum and aluminum. Most backordered items can be rushed in from the publisher in as little as 24 hours. Courtesy of longlok fasteners corporation created date. This procedure covers the application of zincmanganese phosphate coatings on ferrous alloys, meeting the requirements of mildtl16232. The current specification 2009 is mil dtl 5541f, which. Pdf alternative conversion coatings designed to replace chromate. Delete milc81706 chemical conversion materials for. Qualified under specification mildtl81706b, class 1a, form ii, method a, b, c.
Click here to download henkel alodine 12 technical process bulletin click here. Mildtl81706 chemical conversion materials for coating. Chromate conversion coating also commonly referred to as chemical film, chem film, alodine or iridite converts the surface properties of the substrate typically aluminum or magnesium as compared to plating which applies a coating onto the surface of the substrate. Mil a8625f 10 september 1993 superseding mil a8625e 25 april 1988 military specification anodic coatings, for aluminum and aluminum alloys this specification is approved for use by all departments and agencies of the department of defense. Mil mil dtl 81706b chemical conversion materials for coating aluminum and aluminum alloys superseding mil dtl 81706a standard by military specifications and standards, 10252004 amendments available. The darker coatings providing the greatest corrosion protection. This procedure covers the application of zincmanganese phosphate coatings on ferrous alloys, meeting the requirements of mil dtl 16232.
Mildtl81706b under authorization of reference authorizing letter. This was formerly known as milc5541 and is another of our alltime bestselling plating specs. Mildtl17 coaxial cables including m1717600001 twinaxial data bus cable harbour industries is a qpl approved manufacturer of high temperature, high performance coaxial cables supplied in exact accordance with the mildtl17 specification. Govt designation a government designation is the name or number as assigned in the governing specification document. Mil dtl 81706a 18 february 2002 superseding mil c81706 30 june 1970 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. Bonderite, known as alodine, conversion coating products per mildtl81706b, are actively managed by henkel aerospace products and services with. Mil mildtl81706b chemical conversion materials for coating aluminum and aluminum alloys superseding mildtl81706a standard by military specifications and standards, 10252004 amendments available view all product details. Approved products for this specification have been evaluated per mildtl 81706 and are listed on qpl81706. Mila8625f anodic coatings, for aluminum and aluminum alloys.
This specification is approved for use by all departments and agencies of the department of defense. Mildtl81706b chemical conversion materials for coating. Chemical conversion materials for coating aluminum and aluminum alloys english. Part number mildtl81706 including related part numbers and nsn starting at page 1. The military specification referred to as mildtl5541, military specification, chemical conversion coatings on aluminum and aluminum alloys covers chemical conversion coatings formed by the reaction of chemical conversion materials with the surfaces of aluminum and aluminum alloys.
Mil dtl 81706 chemical conversion materials for coating aluminum and aluminum alloys this specification covers chemical conversion materials used in the formation of coatings by the reaction of the material with the surfaces of aluminum and aluminum alloys. Approved products for this specification have been evaluated per mildtl81706 and are listed on qpl81706. Chemical conversion materials for coating aluminum and aluminum alloys. Mil dtl 17 coaxial cables including m1717600001 twinaxial data bus cable harbour industries is a qpl approved manufacturer of high temperature, high performance coaxial cables supplied in exact accordance with the mil dtl 17 specification. I agree, ted the biggest difference between milc5541e and mildtl5541f is that the buyer can ask for a type ii coating which will contain no hexavalent chromium. Information and documents presented here are works of the u. A record will be kept of the history of each processing bath showing all additions of. Difference between milc5541e, amsc5541, and mildtl. Mildtl81706 historical revision information chemical conversion materials for coating aluminum and aluminum alloys. Mildtl81706 chemical conversion materials for coating aluminum and aluminum alloys. Chemical specialities for metal pretreatment surtec. Alodine 1200 methods and properties are defined in milc5541f now amsc5541 and amsa2473.
Lexco cable aims to delight customers by supplying. The current specification 2009 is mildtl5541f, which superseded milc5541e in july 2006. The military specification referred to as mildtl5541, military specification, chemical. Mil dtl 5541f 11 july 2006 superseding mil c5541e 30 november 1990 detail specification chemical conversion coatings on aluminum and aluminum alloys this specification is approved for use by all departments and agencies of the department of defense. Type 1 this includes all coatings that have hexavalent chromium. The chemical conversion coatings are of the following types. The information referenced has been taken from the mil. Mildtl5541 chemical conversion coatings on aluminum and aluminum alloys. Mildtl28748 rectangular environmental connectors btc. The black coating of class 4 shall be processed in accordance with instructions furnished by the suppliers of the raw materials and the resulting coating shall conform to the applicable requirements of this specification. Mildtl81706b, class 1a and class 3, form i liquid, method c immersion and mildtl5541f. Custom cable and custom heat shrink shapes are another of our specialties. Mildtl81706a 18 february 2002 superseding milc81706 30 june 1970 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.
Good results can also be achieved on type 356 aluminum castings. Inchpound mildtl81706b 25 october 2004 superseding. Qualified product list of products qualified under performance specification mildtl81706 chemical conversion materials for coating aluminum and aluminum alloys his qpl has been prepared for use by. Chromicoat l25 for boeing spec bac 5719 alodine type. I have an aluminum alloy part that needs to be anodized per the mila8625 link is to free spec at defense logistics agency, dla.