GB 29743.1-2022 Translated English of Chinese Standard (GB 29743.1-2022, GB29743.1-2022): Motor vehicle coolant -- Part 1: Fuel vehicle engine coolant
https://www.chinesestandard.net, 13 мая 2023 г. - Всего страниц: 27
This Document specifies the product classification, technical requirements, test methods, inspection rules, and marking, packaging, transportation and storage of fuel vehicle engine coolants. This Document applies to the coolant for light-duty engines and heavy-duty engines of fuel vehicles.
1,3-propanediol type analytically pure antifreeze Appendix arbitration method Ash mass fraction automotive organic coatings Calcium chloride cast aluminum alloy centrifuge tube chemical index requirements chemical performance requirements Chloride content b/(mg/kg chlorine content code and model content by SO4(mg/kg Coolant Product coolant see Table coolant shall comply coolant specimen Coolant stability Determination method Document Edition Ethylene glycol type exit-factory inspection freezing point Fuel Vehicle Engine Glassware corrosion graduated cylinder Heat transfer corrosion heavy-duty coolant heavy-duty engine index Test method Item Quality index JT/T light-duty coolant meet the requirements NB/SH/T Phthalocyanine physical and chemical predilute Stock solution Product classification provisions in Table Quality index Test requirements and test Reserve alkalinity indicators sample sediment SH/T sodium bicarbonate sodium chloride Sodium phosphate sodium sulfate Sodium tetraborate Standard test method Stock solution 50 Sulfate content synthetic hard water Table A.1 test solution type inspection types of coolants vehicle engine coolant volume predilute Stock Volumetric flask