GB/T 42163.1-2022 Monomer casting polyamide pulleys—Part 1:Elevator pulleys

GB/T 1033.1-2008 Plastics—Methods for determining the density of non-cellular plastics—Part 1:Immersion method,liquid pyknometer method and titration method GB/T 1034-2008 Plastics—Determination of water absorption GB/T 1040.2-2006 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1041-2008 Plastics—Detemination of compressive properties GB/T 1043.1-2008 Plastics—Determination of charpy impact properties—Part 1:Non-instrumented impact test GB/T 1634.2-2019 Plastics—Determination of temperature of deflection under load—Part 2:Plastics and ebonite GB/T 2406.2-2009 Plastics—Determination of burning behaviour by oxygen index—Part 2:Ambient-temperature test GB/T 2423.34-2012 Environmental testing—Part 2:Test methods—Test Z/AD:Composite temperature/humidity cyclic test GB/T 2423.50-2012 Environmental testing—Part 2:Test methods—Test Cy:Damp heat,steady state,accelerated test primarily intended for components GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 3398.1-2008 Plastics—Determination of hardness—Part 1:Ball indentation method GB/T 9341-2008 Plastics—Determination of flexural properties GB/T 14486-2008 Dimensional tolerances for moulded plastic parts GB/T 16422.2-2022 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc lamps GB/T 1036-1989 Determination for coefficient of linear expansion of plastics GB/T 1036-2008 Test method for coefficient of linear thermal expansion of plastics between-30 ℃ and 30 ℃ with a vitreous silica dilatometer GB/T 3960-1983 Test method for friction and wear of plastics by sliding GB/T 3960-2016 Plastics—Test method for friction and wear by sliding GB 13254-1991 Caprolactam for industrial use GB/T 13254-2008 Caprolactam for industrial use GB/T 13254-2017 Caprolactam for industrial use JB/T 5936-2018 General technical specification for mechanical machining parts of engineering machinery JB/T 5947-2018 Engineering machinery packaging general technical specification