CATEGORIES

    GB/T 39487-2020《Test method of tube shear strength for structural foaming adhesives》

    Active

    GB/T 39295-2020《Determination of the tack for water based adhesive》

    Active

    GB/T 35465.4-2020《Test method for fatigue properties of polymer matrix composite materials—Part 4: Tension-compression fatigue and compression-compression fatigue》

    Active

    GB/T 35465.6-2020《Test method for fatigue properties of polymer matrix composite materials—Part 6:Fatige properties of adhesives in shear by tension》

    Active

    GB/T 35465.5-2020《Test method for fatigue properties of polymer matrix composite materials—Part 5: Flexural fatigue》

    Active

    GB/T 39544-2020《Natural rubber latex concentrate—Determination of total phosphate content—Spectrophotometric method》

    Active

    GB/T 39933-2021《Rotational moulding—Test method for low temperature impact》

    Active

    GB/T 39821-2021《Plastics—Determination of apparent density of moulding material that cannot be poured from a specified funnel》

    Active

    GB/T 39822-2021《Plastics—Determination of yellowness index and change in yellowness index》

    Active

    GB/T 10006-2021《Plastics—Film and sheeting—Determination of the coefficients of friction》

    Active

    GB/T 20218-2021《Biaxially oriented polyamide (nylon) film》

    Active

    GB/T 40006.3-2021《Plastics—Recycled Plastics—Part 3：Polypropylene(PP) materials》

    Active

    GB/T 40006.2-2021《Plastics—Recycled Plastics—Part 2: Polyethylene（PE）materials》

    Active

    GB/T 40384-2021《Plastics—Determination of the transient extensional viscosity of polymer melts》

    Active

    GB/T 40302-2021《Plastics—Determination of burning behaviour of thin flexible vertical specimens in contact with a small-flame ignition source》

    Active

    GB/T 2408-2021《Plastics—Determination of burning characteristics—Horizontal and vertical test》

    Active

    GB/T 40006.5-2021《Plastics—Recycled plastics—Part 5：Acrylonitrile-butadiene-styrene (ABS) materials》

    Active

    GB/T 40006.6-2021《Plastics—Recycled plastics—Part 6: Polystyrene（PS）and impact-resistant polystyrene(PS-I) materials》

    Active

    GB/T 40006.7-2021《Plastics—Recycled plastics—Part 7: Polycarbonate(PC) materials》

    Active

    GB/T 40006.8-2021《Plastics—Recycled plastics—Part 8: Polyamide (PA) materials》

    Active

    GB/T 40006.9-2021《Plastics—Recycled plastics—Part 9:Poly(ethylene terephthalate) (PET) materials》

    Active

    GB/T 40720-2021《Rubber,vulcanized rubber—Determination of insulation resistance》

    Active

    GB/T 1687.4-2021《Rubber,vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 4: Constant-stress flexometer》

    Active

    GB/T 40797-2021《Rubber, vulcanized or thermoplastic—Determination of resistance to abrasion—Driven,vertical abrasive disc method》

    Active

    GB/T 15592-2021《Polyvinyl chloride paste resins》

    Active

    GB/T 41168-2021《Plastics and aluminum foil laminated retort film and pouch for food packaging》

    Active

    GB/T 41169-2021《Paper, aluminum foil and plastic laminated film and pouch for food packaging》

    Active

    GB/T 24138-2022《Petroleum resin》

    Active

    GB/T 41880-2022《Plastics—Epoxy resins—Determination of electrical conductivity of aqueous resin extracts》

    Active

    GB/T 41874-2022《Plastics—Poly(phenylene ether) resin》

    Active