GB/T 19208-2020 Ground vulcanized rubber

GB/T 19208-2008 Ground vulcanized rubber

GB/T 533-2008 Rubber,vulcanized or thermoplastic—Determination of density GB/T 2013-2010 Standard test method for density of liquid petrochemical products GB/T 3516-2006 Rubber—Determination of solvent extract GB/T 4498.1-2013 Rubber—Determination of ash—Part 1:Muffle furnace method ISO 11358-2:2014 IEC 62321-4 IEC 62321-5 IEC 62321-6 IEC 62321-7-2 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 2449.1-2014 Sulphur for industrial use—Part 1:Solid product GB/T 2449.1-2021 Sulphur for industrial use—Part 1: Solid product GB/T 2941-2006 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 3185-1992 Zinc oxide (Indirect method) GB/T 3185-2016 Zinc oxide(Indirect method) GB/T 5330-2003 Industrial woven metal wire cloth (square opening series) GB/T 5330.1-2000 Industrial wire screens and woven wire cloth—Guide to the choice of aperture size and wire diameter combinations—Part 1:Generalities GB/T 5330.1-2012 Industrial wire screens and woven wire cloth—Guide to the choice of aperture size and wire diameter combinations—Part 1:Generalities GB/T 6038-1993 Rubber test mixes—Preparation, mixing and vulcanization—Equipment and procedures GB/T 6038-2006 Rubber test mixes—Preparation,mixing and vulcanization—Equipment and procedures GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 8089-1987 Raw natural rubber—Smoked sheets GB/T 8089-2007 Raw natural rubber—Smoked sheets, white crepes and pale crepes GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 9103-2013 Industrial stearic acids GB/T 11407-2003 Vulcanizing accelerator M GB/T 11407-2013 Vulcanizing accelerator—2-Mercaptobenzothiazole(MBT) GB/T 14837.1-2014 Rubber and rubber products—Determination of the composition of vulcanizates and uncured compounds by thermogravimetry—Part 1:Butadiene,ethylene-propylene copolymer and terpolymer,isobutene-isoprene,isoprene and styrene-butadiene rubbers GB/T 15904-1995 Rubber—Determination of polyisoprene content GB/T 15904-2018 Rubber—Determination of polyisoprene content GB/T 21840-2008 Vulcanizing accelerator TBBS GB/T 2941-2025 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 5330-2025 Industrial woven metal wire cloth(square opening series) GB/T 21840-2025 Vulcanizing accelerator—N-tert-butyl-1,3-benzothiazole-2-sulfenamide(TBBS)