TT-C-490 Revision G:2019
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Chemical Conversion Coatings and Pretreatments for Metallic Substrates (Base for Organic Coatings)
English
09-09-2019
27-01-2022
This specification covers processes, pretreatments, and pre-primer surface preparations of metallic substrates for coating applicators.
| DocumentType |
Standard
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| Pages |
36
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| ProductNote |
This standard also refers to:-ASTM F22,ASTM F21,GMW 14872 ,AS7003E,AC7004F,29 CFR 1910.1200.
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| PublisherName |
US Military Specs/Standards/Handbooks
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
This specification covers processes, pretreatments, and pre-primer surface preparations of metallic substrates for coating applicators. It covers metal surface preparation for delaying corrosion initiation and promoting primer adhesion. In addition, this specification covers the testing requirements for qualification of conversion coatings, the pretreatments and pre-primer coatings. This specification includes production validation requirements, which may also vary depending on the contract. Additional qualification requirements may be required based on each specific application. For all types and classes, unless contraindicated on drawings or contracts, materials containing hexavalent chromium (Cr6+) shall not be permitted on coated end items.
| MIL-DTL-53022 Revision E:2012 | Primer, Epoxy Coating, Corrosion Inhibiting Lead and Chromate Free |
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