This standard specifies the general requirements for marking, packaging, transportation and storage of rubber sealing products (hereinafter referred to as products). This standard applies to rubber sealing products, such as O-rings, V-rings, rotating shaft lip seals, etc. Rubber materials and other rubber products can be used by reference.
GB/T 5721-1993 history
1993GB/T 5721-1993 General rules of identification,packaging,transportation and storage for rubber sealing products