This standard specifies the basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage and quality commitments for thermoplastic elastomer pads specially used for heavy-duty freight buffers on railway rolling stock. This standard applies to special pads made of thermoplastic elastomers for heavy-duty freight buffers on railway rolling stock.
T/ZZB 1428-2019 history
2019T/ZZB 1428-2019 Special thermoplastic elastomer cushion for heavy load freight buffer of railway rolling stock