HG/T 3984-2007 Modified chemical resistant polypropylene tank

GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 1033-1986 Test method for density and relative density of plastics 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 1033.2-2010 Plastics—Methods for determining the density of non-cellular plastics—Part 2:Density gradient column method GB/T 1033.3-2010 Plastics—Methods for determining the density of non-cellular plastics—Part 3:Gas pyknometer method GB/T 1040.2-2006 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1040.2-2022 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1043-1993 Plastics—Determination of charpy impact strength of rigid materials GB/T 1043.1-2008 Plastics—Determination of charpy impact properties—Part 1:Non-instrumented impact test GB/T 1043.2-2018 Plastics—Determination of charpy impact properties—Part 2:Instrumented impact test GB/T 10798-2001 Table of universal wall thickness of thermoplastics pipe GB/T 11547-1989 Plastics—Determination of the effects of liquid chemicals, including water GB/T 11547-2008 Plastic—Methods of test for the determination of the effects of immersion in liquid chemicals GB/T 1633-2000 Plastics—Thermoplastic materials—Determination of Vicat softening temperature(VST) GB/T 4217-2001 Thermoplastics pipes for the conveyance of fluids—Nominal outside diameters and nominal pressures GB/T 4217-2008 Thermoplastics pipes for the conveyance of fluids—Nominal outside diameters and nominal pressures GB/T 9119-2000 Slip-on-welding plate steel pipe flanges with flate face or raised face GB/T 9119-2010 Slip-on-welding plate steel pipe flanges GB/T 9341-2000 Plastics—Determination of flexural properties GB/T 9341-2008 Plastics—Determination of flexural properties HG 20640-1997 Plastic Equipment GB/T 1633-2025 Plastics—Thermoplastic materials—Determination of Vicat softerning temperature(VST)