HG/T 3092-1988 Material of rubber seals used for gas supply pipes and fittings

GB/T 1682-1994 Rubber, vulcanized—Determination of low-temperature brittleness(single test piece method) GB/T 1682-2014 Rubber,vulcanized—Determination of low-temperature brittleness—Single test piece method GB/T 1683-2018 Rubber,vulcanized—Determination of compression set at constant strain GB/T 1685-1982 Rubber, vulcanized—Determination of stress relaxation in compression at normal and at elevated temperature GB/T 1685-2008 Rubber,vulcanized or thermoplastic—Determination of stress relaxation in compression at ambient and at elevated temperatures GB/T 1685.2-2019 Rubber,vulcanized or thermoplastic—Determination of stress relaxation in compression—Part 2:Testing with temperature cycling GB/T 1690-1992 Rubber, vulcanized-Determination of the effect of liquids GB/T 1690-2006 Rubber,vulcanized or thermoplastic—Determination of the effect of liquids GB/T 1690-2010 Rubber,vulcanized or thermoplastic—Determination of the effect of liquids GB/T 2941-2006 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 3452.2-1987 Appearance quality acceptance criteria for rubber O-rings GB/T 3452.2-2007 Fluid power systems—O-rings—Part 2:Quality acceptance criteria GB/T 3512-2001 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 3512-2014 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 3672.1-2002 Rubber—Tolerances of products—Part 1:Dimensional tolerances GB/T 3672.2-2002 Rubber—Tolerances of products—Part 2:Geometrical tolerances GB/T 528-1998 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 528-2009 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 531-1999 Rubber—Determination of indentation hardness by means of pocket hardness meters GB/T 531.1-2008 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 1:Duromerer method(Shore hardness) GB/T 531.2-2009 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 2:IRHD pocket meter method GB/T 5721-1993 General rules of identification, packaging, transportation and storage for rubber sealing products GB/T 5722 GB/T 5723-1993 Rubber, vulcanized or thermoplastic—Determination of dimensions of test pieces and products for test purposes GB/T 6031-1998 Rubber,vulcanized or thermoplastic—Determination of hardness (hardness between 10 IRHD and 100IRHD) GB/T 6031-2017 Rubber,vulcanized or thermoplastic—Determination of hardness(hardness between 10 IRHD and 100 IRHD) GB/T 6032 GB/T 7529 GB/T 2941-2025 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 3672.1-2025 Tolerances for rubber products—Part 1:Dimensional tolerances GB/T 3672.2-2025 Tolerances for rubber products—Part 2:Geometrical tolerances

ISO 6447-1983