This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, marking, packaging and storage of pre-vulcanized treads. This standard applies to pre-vulcanized treads of natural rubber and synthetic rubber, but does not apply to pre-vulcanized treads with skeleton layers and pre-vulcanized treads composed of polyurethane compounds.
HG/T 4123-2009 Referenced Document
GB/T 1687 Rubber, vulcanized.Determination of temperature rise and resistance to fafigue in flexometer testing.Part 2: Compression flexometer