HG/T 2503-1993 Specification for polycarbonate resins by melt method

GB 2920-1982

HG/T 2503-2022 Polycarbonate resin

GB/T 1040.1-2006 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.1-2018 Plastics—Determination of tensile properties—Part 1:General principles 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 1040.3-2006 Plastics—Determination of tensile properties—Part 3:Test conditions for films and sheets GB/T 1040.4-2006 Plastics—Determination of tensile properties—Part 4:Test conditions for isotropic and orthotropic fibre-reinforced plastic composites GB/T 1040.5-2008 Plastics—Determination of tensile properties—Part 5:Test conditions for unidirectional fibre-reinforced plastic composites 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 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 1408.2-2006 Electrical strength of insulating materials—Test methods—Part 2:Additional requirements for tests using direct voltage GB/T 1408.2-2016 Insulating materials—Test methods for electric strength—Part 2:Additional requirements for tests using direct voltage GB/T 1408.3-2007 Electric strength of insulating materials—Test methods—Part 3:Additional requirements for 1.2/50 μs impulse tests GB/T 1408.3-2016 Insulating materials—Test methods for electric strength—Part 3:Additional requirements for 1.2/50μs impulse tests 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 1410-2006 Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials GB/T 1632-1993 Determination of viscosity number and limiting viscosity number of polymers in dilute solution GB/T 1632.1-2008 Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 1:General principles 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 1632.4-2020 Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 4:Polycarbonate(PC) moulding and extrusion materials GB/T 1632.5-2008 Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 5:Thermoplastic polyester(TP) homopolymers and copolymers GB/T 1634.1-2004 Plastics—Determination of temperature of deflection under load—Part 1:General test method GB/T 1634.1-2019 Plastics—Determination of temperature of deflection under load—Part 1:General test method 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 1634.3-2004 Plastics—Determination of temperature of deflection under load—Part 3:High strength thermosetting laminates GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 3682-2000 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics 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 3682.2-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 2:Method for materials sensitive to time-temperature history and/or moisture GB/T 7140 GB/T 9341-2000 Plastics—Determination of flexural properties GB/T 9341-2008 Plastics—Determination of flexural properties GB/T 1632.1-2024 Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 1:General principles GB/T 1634.1-2025 Plastics—Determination of temperature of deflection under load—Part 1:General test method GB/T 1040.1-2025 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1632.2-2025 Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 2:Poly(vinyl chloride) resins