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GB/T 39693.8-2022
Rubber,vulcanized or thermoplastic—Determination of hardness—Part 8:Apparent hardness of rubber-covered rollers by Pusey and Jones method
GB/T 39693.7-2022
Rubber,vulcanized or thermoplastic—Determination of hardness—Part 7:Apparent hardness of rubber-covered rollers by Shore-type durometer method
GB/T 41938-2022
Rubber compounding ingredients—Silica, precipitated, hydrated—Evaluation procedures in a blend of solution styrene-butadiene rubber (S-SBR) and butadiene rubber (BR)
GB/T 41957-2022
Oil for use in the carbon black products—Fluid catalytic cracking slurry oil in petroleum refining
GB/T 41958-2022
Dipped canvas—Test method for thermal conductivity
GB/T 30918-2022
Non-oil-extended solution polymerized isoprene rubber (IR)—Evaluation procedures
GB/T 25260.1-2022
Synthetic rubber latex—Part 1:Carboxyl styrene-butadiene rubber latex(XSBRL)
GB/T 3780.29-2022
Carbon black—Part 29：Determination of solvent extractable material
GB/T 41974.1-2022
Plastics—Color masterbatch—Part 1: Designation system and basis for specifications
GB/T 41955-2022
Test method for compression of fiber reinforced polymer matrix composite multi-directional laminates without open-hole
GB/T 41927-2022
Plastics—Thermosetting moulding materials—Evaluation of short-term performance at elevated temperatures
GB/T 41926-2022
Plastics—Epoxy resins—Determination of 1,2-glycol content
GB/T 41928-2022
Plastics—Epoxy resins—Determination of degree of crosslinking of crosslinked epoxy resins by differential scanning calorimetry (DSC)
GB/T 41929-2022
Plastics—Epoxy resins—Test methods
GB/T 41931-2022
Plastics/rubber—Polymer dispersions and synthetic rubber latices—Freeze-thaw cycle stability test
GB/T 41935-2022
Plastics—Artificial weathering including acidic deposition
GB/T 41932-2022
Plastics—Determination of fracture toughness (GIC and KIC)—Linear elastic fracture mechanics (LEFM) approach
GB/T 41933-2022
Plastics—Determination of tension-tension fatigue crack propagation—Linear elastic fracture mechanics (LEFM) approach
GB/T 41934-2022
Plastics—Vertical flame spread determination for film and sheet
GB/T 2406.3-2022
Plastics—Determination of burning behaviour by oxygen index—Part 3: Elevated-temperature test