TT-C-490 Revision H:2021
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
16-09-2021
20-03-2025
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 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Superseded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-53084 Revision B:2011 | Primer, Cathodic Electrodeposition, Chemical Agent Resistant |
| ASTM G 50 : 2020 | Standard Practice for Conducting Atmospheric Corrosion Tests on Metals |
| MIL-PRF-32550 Base Document:2016 | METAL-RICH PRIMER |
| MIL-PRF-23377 Revision K:2012 | Primer Coatings: Epoxy, High-Solids |
| ASTM D 3363 : 2020 | Standard Test Method for Film Hardness by Pencil Test |
| ISO/IEC 17025:2017 | General requirements for the competence of testing and calibration laboratories |
| MIL-DTL-53030 Revision D:2011 | Primer Coating, Epoxy, Water Based, Lead and Chromate Free |
| MIL-DTL-53022 Revision F:2019 | Primer, Epoxy Coating, Corrosion Inhibiting Lead and Chromate Free |
| MIL-DTL-81706 Revision B:2004 | Chemical Conversion Materials for Coating Aluminum and Aluminum Alloys |
| MIL-DTL-5541 Revision F:2006 | Chemical Conversion Coatings on Aluminum and Aluminum Alloys |
| ASTM D 610 : 2008 | Standard Practice for Evaluating Degree of Rusting on Painted Steel Surfaces |
| MIL-PRF-32348 Base Document:2010 | Powder Coating, Camouflage Chemical Agent Resistant Systems |
| MIL-C-8514 Revision C:1967 | Coating Compound, Metal Retreatment, Resin-Acid (ASG) |
| ASTM D 1849 : 1995 : R2019 | Standard Test Method for Package Stability of Paint |
| MIL-DTL-53072 Revision F:2017 | Chemical Agent Resistant Coating (CARC) System Application Procedures and Quality Control Inspection |
| ASTM B 117 : 2019 | Standard Practice for Operating Salt Spray (Fog) Apparatus |
| ASTM F 22 : 2021 | Standard Test Method for Hydrophobic Surface Films by the Water-Break Test |
| ISO 9000:2015 | Quality management systems — Fundamentals and vocabulary |
| MIL-PRF-16173 Revision E:1993 | Corrosion Preventive Compound, Solvent Cutback, Cold-Application |
| MIL-PRF-8625 Revision F Amendment 2 (all previous amendments incorporated):2020 | Anodic Coatings for Aluminum and Aluminum Alloy |
| ASTM D 3359 : 2017 | Standard Test Methods for Rating Adhesion by Tape Test |
| ASTM D 5486/D5486M : 2006 : R2020 | Standard Specification for Pressure-Sensitive Tape for Packaging, Box Closure, and Sealing |
| FED-STD-313 Revision F:2018 | Material Safety Data, Transportation Data, and Disposal Data for Hazardous Materials Furnished to Government Activities |
| ASTM D 3924 : 2016 : R2019 | Standard Specification for Standard Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials |
| MIL-STD-171 Revision F:2011 | Finishing of Metal and Wood Surfaces |
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