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See Chinese contents: GB/T 20671.5-2020 GB/T 20671.5-2020: Classification system and test methods for nonmetallic gasket materials -- Part 5: Standard test method for creep relaxation of gasket materials
This Part of GB/T 20671 specifies the principle, instruments and apparatuses, sample, test procedure, precision and test report for the test of creep relaxation of nonmetallic gasket materials. This Part applies to the determination of the creep relaxation of Model 1, Model 5 and Model 7 materials which are specified in GB/T 20671.1. It can also be used for other models of materials as a reference.
