TT-C-490 Chemical Conversion Coatings And Pretreatments For Metallic Substrates Base For Organic CoatingsThis 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.

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 23 - 24

TT-C-490F

ASTM A1008/    -  Standard Specification for Steel, Sheet, Cold Rolled, Carbon, A1008M              Structural, High Strength Low Alloy, High Strength Low Alloy

with Improved Formability, Solution Hardened, and Bake

Hardenable.  (DoD adopted)

ASTM B117        -  Standard Practice for Operating Salt Spray (Fog) Apparatus. (DoD adopted)

ASTM D522        -  Standard Test Methods for Mandrel Bend Test of Attached Organic

Coatings.  (DoD adopted)

ASTM D610       -  Standard Practice for Evaluating Degree of Rusting on Painted

Steel Surfaces.  (DoD adopted)

ASTM D1654     -  Standard Test Method for Evaluation of Painted or Coated

Specimens Subjected to Corrosive Environments. (DoD adopted)

ASTM D1849     -  Standard Test Method for Package Stability of Paint. (DoD adopted)

ASTM D3330/    -  Standard Test Method for Peel Adhesion of Pressure Sensitive

D3330M              Tape.  (DoD adopted)

ASTM D3359     -  Standard Test Methods for Measuring Adhesion by Tape Test. ASTM D3363     -  Standard Test Method for Film Hardness by Pencil Test.

(DoD adopted)

ASTM D3924     -  Standard Specification for Standard Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials.  (DoD adopted)

ASTM D5486/    -  Standard Specification for Pressure-Sensitive Tape for

D5486M             Packaging, Box Closure, and Sealing.  (DoD adopted)

ASTM F519        -  Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments. (DoD adopted)

Copies of these documents are available from www.astm.org or ASTM International, 100 Barr Harbor

Drive, PO Box C700, West Conshohocken, PA 19428-2959.

GENERAL MOTORS ENGINEERING STANDARDS GMW 14872       -  Cyclic Corrosion Laboratory Test

(Copies of this document are available from www.ihs.com or General Motors International, General

Motors Technical Center. Warren, MI 48092.)

SSPC: THE SOCIETY FOR PROTECTIVE COATINGS

SSPC-Guide 15   -  Field Methods for Retrieval and Analysis of Soluble

Salts on Steel and other Nonporous Substrates. SSPC-SP 5/         -  White Metal Blast Cleaning.

NACE No. 1

SSPC-SP 10/       -  Near-White Blast Cleaning. NACE No. 2

SSPC-VIS 3        -  Guide and Reference Photographs for Steel Surfaces Prepared by

Hand and Power Tool Cleaning.

4