This standard specifies the type, size, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of brake friction pads for medium-sized trucks and their variant vehicles produced using powder metallurgy technology. This standard applies to wheel drum materials that are HT200 or other materials with equivalent performance that comply with GB/T 9439-1988 "Gray Iron Castings".
JB/T 9135-1999 history
2011JB/T 9135-2011 Ferrous powder metallurgy brake friction linings of medium load automobile
1999JB/T 9135-1999 Ferrous powder metallurgy brake friction lining of medium load automobile