This standard specifies the dimensional limit deviation and surface roughness of rubber parts manufactured by molding, extrusion and mechanical processing methods. This standard applies to solid vulcanized rubber parts and thermoplastic rubber parts. This standard does not apply to sponge rubber parts and rubber-coated fabric parts as well as O-ring rubber seals.
HB 8233-2002 history
2003HB 8233-2002 Limit deviations of size and requirements of surface roughness for rubber parts
1970HB 5522-1980 Dimensional tolerances for molded rubber products