This standard specifies the technical requirements, test methods and inspection rules for the protection coating of railway steel bridge against corrosion; specifies the product classification, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of anti-corrosive primer, intermediate coating and finishing paint in each coating system of railway steel bridge.
This standard is applicable to the initial coating of steel structures such as bridge (including accessory structure) and support, the recoating and maintenance coating of steel bridge after deterioration of the film, as well as anti-corrosive primer, intermediate paint and finishing paint used for coating.
Foreword I
1 Scope
2 Normative References
3 Technical Requirements
4 Test Methods
5 Inspection Rules
6 Packaging, Marking, Transportation and Storage of Coating Materials
Appendix A (Normative) Technical Requirements for Specially-made Red Lead Phenolic Aldehyde (Alkyd) Anti-corrosive Primer, Gray Micaceous Iron Oxide Alkyd Finishing Paint and Gray Aluminum-Graphite Alkyd Resin Finishing Paint
Appendix B (Normative) Technical Requirements for Epoxy Sealing Agent, Brown Polyurethane Cover Plate Base Coat and Gray Polyurethane Cover Plate Finishing Paint
Appendix C (Normative) Technical Requirements for Inorganic Zinc-rich Anti-corrosive and Antiskid Coating, Epoxy Asphalt Coating, Specially-made Epoxy Zinc-rich Anti-corrosive Primer and Aqueous Inorganic Zinc-rich Anti-corrosive Primer
Appendix D (Normative) Technical Requirements for Micaceous Iron Epoxy Intermediate Coat, Gray Acrylic Acid Aliphatic Polyurethane Finishing Paint and Fluorocarbon Finishing Paint