T/CSEA 16-2021 Active Group standards

T/CSEA 16-2021 High-solids car antifreeze wax

Publish Date: 2021-06-22 Implement Date: 2021-07-01 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/CSEA 16-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Petroleum wax

ICS Name: Paraffin, asphalt materials, and other petroleum products

Publish Date: 2021-06-22

Implement Date: 2021-07-01

Scope

Main Technical Content: **Project Quality Indicators and Test Methods** - **Appearance**: Beige to light brown paste. - **Odor**: (120°C, 2 hours) Not exceeding 3.0 (no irritating odor). - **SH/T 0414**: Viscosity (30°C), Pa·s: 0.3–3.0. - **GB/T 2794**: Density (20°C), kg/m3: 780–1,180. - **GB/T 13377**: Non-volatile content (120°C, 2 hours): 90% or more. - **GB/T 1725**: Flash point (open cup), °C: Not less than 100. - **GB/T 3536**: Dry film drip point, °C: Not less than 100. - **SH/T 0800**: Fineness, μm: Not more than 50. - **GB/T 1724**: Film drying properties (50μm wet film on cold-rolled steel): Smooth surface, surface dryness not exceeding 14 days. - **GB/T 1728**: Water resistance (50μm dry film, 23°C ± 2°C, 240h, electrophoretic coated board): No softening, swelling, or peeling. - **GB/T 1733**: Adhesion to electrophoretic paint (100μm dry film, electrophoretic coated board): Permitted peeling of wax film at scratched edges and intersections, but total peeling area not exceeding 35%. - **GB/T 9286**: Seam penetration (25°C ± 2°C), mm: Not less than 25. - **Appendix A**: Vertical flowability (300μm wet film, electrophoretic coated board): No flowability. - **Appendix B**: Sprayability (25°C ± 2°C): Good atomization performance. - **Appendix C**: High-temperature creep (50μm dry film, electrophoretic coated board, 80°C, 24h): Not exceeding 2mm. - **Appendix D**: Low-temperature extensibility (50μm dry film, electrophoretic coated board, -35°C, 8h): No cracking or peeling of wax film. - **Appendix E**: Heat aging resistance (50μm dry film, cold-rolled steel): No flowability or corrosion. - **Appendix F**: Wet heat test (50μm dry film, cold-rolled steel), Grade A, h: Not less than 1,000. - **Appendix G**: Salt spray test (50μm dry film, cold-rolled steel), Grade A, h: Not less than 1,000. - **SH/T 0081a**: Dry film preparation: Apply wax evenly with a thickness of 50–100μm, dry at room temperature for 14 days, and then