GB/T 42714-2023 General specification for electromagnetic shielding heat-shrinkable tubes

GB/T 1040.2-2022 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 2406.2-2009 Plastics—Determination of burning behaviour by oxygen index—Part 2:Ambient-temperature test GB/T 2423.22-2012 Environmental testing—Part 2:Test methods—Test N:Change of temperature GB/T 26667-2021 Terminology for electromagnetic shielding materials GB/T 30142-2013 Measuring methods for shielding effectiveness of planar electromagnetic shielding materials GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 1551-1995 Test method for resistivity of silicon and germanium bars using a two-point probe GB/T 1551-2009 Test method for measuring resistivity of monocrystal silicon GB/T 1551-2021 Test method for measuring resistivity of monocrystal silicon—In-line four-point probe and direct current two-point probe method GB/T 1771-1991 Paints and varnishes—Determination of resistance to neutral salt spray GB/T 1771-2007 Paints and varnishes—Determination of resistance to neutral salt spray(fog) GB/T 7141-1992 Plastics—Methods of exposure to thermal air GB/T 7141-2008 Plastics—Methods of heat aging GB/T 31838.2-2019 Solid insulating materials—Dielectric and resistive properties—Part 2:Resistive properties(DC methods)—Volume resistance and volume resistivity DL/T 1059-2007 Power equipment busbar heat shrink tube JB/T 7829-2006 Rated voltage of 1kV (Um=1.2kV) to 35kV (Um=40.5kV) power cables with thermal shrinkage terminals GB/T 191-2025 Graphical symbols marking for handling and storage of packages