This standard specifies the technical requirements, flame retardant and antistatic performance requirements for rubber rollers used in coal mines, as well as their test methods, inspection procedures, marking, packaging, transportation and storage. This standard is mainly applicable to belt conveyors and rollers used underground in coal mines. It is also applicable to trough rollers and flat rollers used on belt conveyors in open-pit coal mines, coal preparation and other workplaces.
MT 559-1996 history
1996MT 559-1996 Specification for inspection of safety performance of rubber buffer idlers for belt conveyors in coal mines