This standard specifies the classification and labeling, requirements, test methods, inspection rules, marking, packaging, transportation and storage of non-metallic sealing packing. This standard applies to sealing packings and packing rings made of non-metallic materials that do not contain asbestos. Pure graphite packing rings can also be implemented as follows.
JC/T 2053-2011 Referenced Document
GB/T 23262 Test methods for non-metallic sealing packings*, 2023-11-27 Update
JB/T 6370 Test method for physical mechanical performance of flexible graphite ring