GB/T 27570-2011 Methyl silicone rubber for vulcanization at ambient temperature

GB/T 5750.4-2006 Standard examination methods for drinking water—Organoleptic and physical parameters GB/T 10247-2008 Methods of viscosity measurement 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 531.1-2008 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 1:Duromerer method(Shore hardness) GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 1692-1992 Vulcanized rubber—Determination of the insulation resistivity GB/T 1692-2008 Vulcanized rubber—Determination of the insulation resistivity GB/T 1693-2007 Rubber,vulcanized—Determination of dielectric constant and dielectric loss tangent GB/T 1695-2005 Rubber, vulcanized—Determination of electrical breakdown strength and voltage resistant at commercial power frequency GB/T 6678-2003 General principles for sampling chemical products GB/T 6680-2003 General rules for sampling liquid chemical products 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 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 19188-2003 Rubber, raw natural and raw synthetic—General guidance on storage GB/T 21863-2008 Gel permeation chromatography(GPC)—Tetrahydrofuran as elution solvent