T/CPCIF 0041-2020 Active Group standards

T/CPCIF 0041-2020 Nanomaterial filled epoxy anti-corrosion base paint for steel structure

Publish Date: 2020-04-07 Implement Date: 2020-07-07 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CPCIF 0041-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Paint

ICS Name: Paints and varnishes

Publish Date: 2020-04-07

Implement Date: 2020-07-07

Scope

Main technical content: This standard specifies the classification and grading, requirements, test methods, inspection rules, and marking, packaging, and storage of epoxy anti-corrosion primers filled with nano-functional materials and meeting low VOC requirements for steel structures. This standard is applicable to steel structures, and concrete substrates can be used for reference. This standard is not applicable to zinc-based anti-corrosion coatings. **Project technical indicators**: - C2(H) - C3(H) - C4(H) **State in the container**: - No hard lumps after stirring evenly, with a uniform state. - Freezing-thawing stability (paint components) (3 cycles) without deterioration. - Storage stability (paint components) without abnormalities. - Non-volatile content (after mixing) /% - Agreed density (after mixing) /(g/mL) ± 0.05. - Volatile organic compound (VOC) content /(g/L)≤100. - Total content of benzene, toluene, ethylbenzene, and xylene /(mg/kg)≤200. - Applicability: no obstacles to application. - Rust inhibition: normal. - Drying time /h: - Table-dry:≤4 - Real-dry:≤24 - Appearance of the coating film: normal. - Impact resistance /cm:≥50. - Bending test /mm2:≥200. - Adhesion (pull-off method) /MPa:≥6. - Water resistance /h:120120240. - Acid resistance /h (50g/L sulfuric acid solution):-2424. - Alkali resistance /h (50g/L sodium hydroxide solution):-72120. - Oil resistance /h (No. 3 ordinary oil paint and cleaning solvents or as agreed):-72120. - Continuous condensation test /h:120240480 - Neutral salt spray test /h:480720. - Rust diffusion at the scratch site:≤1mm. - Adhesion (pull-off method) /MPa:≥(after salt spray test)3 and not less than 50% of the initial test result. - Qualitative determination of nano-functional fillers: the coating contains at least one dimension smaller than 100nm. - Water resistance, acid resistance, alkali resistance, oil resistance, and no rust, foaming, cracking, or