GB/T 2546.2-2022 Plastics—Polypropylene(PP) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of properties

GB/T 2546.1-2022 Plastics—Polypropylene (PP) moulding and extrusion materials—Part 1:Designation system and basis for specifications

GB/T 2546.2-2003 Plastics—Polypropylene(PP) moulding and extrusion materials—Part 2:preparation of test specimens and determination of properties

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 1034-1998 Plastics—Determination of water absorption GB/T 1034-2008 Plastics—Determination of water absorption 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 1043.1-2008 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 1408.1-1999 Methods of test for electric strength of solid insulating materials-Tests at power frequencies GB/T 1408.1-2006 Electrical strength of insulating materials—Test methods—Part 1:Tests at power frequencies GB/T 1408.1-2016 Insulating materials—Test methods for electric strength—Part 1:Test at power frequencies GB/T 1409-2006 Recommended methods for the determination of the permittivity and dielectric dissipation fator of electrical insulating materials at power,audio and radio frequencies including meter wavelengths GB/T 1632.3-2010 Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometer—Part 3:Polyethylenes and polypropylenes GB/T 1634.2-2004 Plastics—Determination of temperature of deflection under load—Part 2:Plastics,ebonite and long-fibre-reinforced composites GB/T 1634.2-2019 Plastics—Determination of temperature of deflection under load—Part 2:Plastics and ebonite GB/T 2406.2-2009 Plastics—Determination of burning behaviour by oxygen index—Part 2:Ambient-temperature test GB/T 2408-1996 Plastics—Determination of the burning behaviour of horizontal and vertical specimens in contact with a small-flame ignition source GB/T 2408-2008 Plastics—Determination of burning characteristics—Horizontal and vertical test GB/T 2408-2021 Plastics—Determination of burning characteristics—Horizontal and vertical test GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 3682.1-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 1:Standard method GB/T 4207-2003 Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions GB/T 4207-2012 Method for the determination of the proof and the comparative tracking indices of solid insulating materials GB/T 4207-2022 Method for the determination of the proof and the comparative tracking indices of solid insulating materials GB/T 9341-2000 Plastics—Determination of flexural properties GB/T 9341-2008 Plastics—Determination of flexural properties GB/T 9352-1988 Plastics—Compression moulding test specimens of thermoplastic materials GB/T 9352-2008 Plastic—Compression moulding of test specimens of thermoplastic materials GB/T 11546.1-2008 Plastic—Determination of creep behaviour—Part 1:Tensile creep GB/T 17037.1-1997 Injection moulding of test specimens of thermoplastic materials—Part 1:General principles and moulding of multipurpose and bar test specimens GB/T 17037.1-2019 Plastics—Injection moulding of test specimens of thermoplastic materials—Part 1:General principles,and moulding of multipurpose and bar test specimens GB/T 17037.3-2003 Plastics—Injection moulding of test specimens of thermoplastic materials—Part 3:Small plates GB/T 17037.4-2003 Plastic—Injection moulding of test specimens of thermoplastic materials—Part 4:Determination of moulding shrinkage GB/T 19466.2-2004 Plastics—Differential scanning calorimetry(DSC)—Part 2:Determination of glass transition temperature GB/T 19466.2-2025 Plastics—Differential scanning calorimetry(DSC) method—Part 2:Determination of glass transition temperature and step height GB/T 19466.3-2004 Plastics—Differential scanning calorimetry(DSC)—Part 3:Determination of temperature and enthalpy of melting and crystallization GB/T 19466.3-2025 Plastics—Differential scanning calorimetry(DSC) method—Part 3:Determination of temperature and enthalpy of melting and crystallization GB/T 19467.1-2004 Plastics—Acquisition and presentation of comparable single-point data—Part 1:Moulding materials GB/T 24282-2009 Plastics—Determination of xylene-soluble matter in polypropylene GB/T 24282-2021 Plastics—Determination of xylene-soluble matter fraction in polypropylene GB/T 31838.2-2019 Solid insulating materials—Dielectric and resistive properties—Part 2:Resistive properties(DC methods)—Volume resistance and volume resistivity GB/T 31838.3-2019 Solid insulating materials—Dielectric and resistive properties—Part 3:Resistive properties(DC methods)—Surface resistance and surface resistivity GB/T 36800.2-2018 Plastics—Thermomechanical analysis(TMA)—Part 2:Determination of coefficient of linear thermal expansion and glass transition temperature GB/T 37426-2019 Plastics—Test specimens GB/T 39812-2021 Plastics—Preparation of test specimens by machining ISO 6603-2 ISO 8256 IEC 60296

ISO 19069-2:2016