QC/T 597.3-2019 Translated English of Chinese Standard (QC/T 597.3-2019, QCT597.3-2019): Specification for fastener with adhesive coating - Part 3: Sealing coatings
https://www.chinesestandard.net, 2022. 12. 18. - 8페이지
This Part specifies the requirements, test methods, inspection rules, storage of nonreusable sealing coating, which is pre-applied onto the external thread fasteners, for the purpose of preventing leakage AND having the sealing function.
11121 AND fluorescent 196 General purpose 29743 Motor vehicle 4.2 Leakage test 4.3 Aging resistance 4.3.3 Transmission oil accordance with GB/T Apply soap solution bolts coated coated with sealant coatings 1 Scope cold and heat compressed air contact Cover plate Pressing different test media documents Fixing bolt Test fluorescent agent fully mixed fully screwed gasoline or diesel gauge Cover plate heat shock Hold the pressure Keep the pressure leak leave any sealant less than 30 liquid meet the requirements metric screw threads MPa steel pressure pressure at 70±2 provisions in 4.2.1 provisions in 4.3.3 provisions of GB/T purpose metric screw r/min requirements of 3.1 Resistance to cold room temperature Schematic diagram screw hole tolerance Screw the bolts sealant are fully sealant coating length sealant is applied specified in GB steel pressure vessel test medium test method thread fasteners bolt thread is according thread pair threaded connection pair ultraviolet light vehicles specified