Document ID:	TT-C-490       Scroll down to access document images

Overview

Title:  Chemical Conversion Coatings and Pretreatments for Metallic Substrates (Base for Organic Coatings) Scope:  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. Status:  Active Document Date:  06-SEP-2024         Next Review Due:  05-SEP-2029 FSC/Area:  MFFP Doc Category:   Federal Specification   Qualification

Responsibilities

Lead Standardization Activity:  MR  Army Research Laboratory, Weapons and Materials Research Directorate     Preparing Activity: MR  Army Research Laboratory, Weapons and Materials Research Directorate DoD Interest Level:  / Prepared by DoD activity Coordination:  Full   Army Custodian:  MR   Army Research Laboratory, Weapons and Materials Research Directorate   Navy Custodian:  SH   Naval Sea Systems Command (Ship Systems)   Air Force Custodian:  184   Air Force Life Cycle Management Center, Warner Robins

Projects

Project Number:     MFFP-2025-009

Revision History

Click on column headings for a description of column content.

NOTE: It is recommended that you use Adobe Reader v7.0 or higher for optimal download performance; older versions should continue to work, but downloading large files may appear to take longer, so please be patient in those cases.