QC/T 1219-2025 Composite integrated pedal for autotruck

GB 250-1995 Gray scale for assessing change in colour GB/T 250-2008 Textiles—Tests for colour fastness—Grey scale for assessing change in colour 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 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 1634.2-2019 Plastics—Determination of temperature of deflection under load—Part 2:Plastics and ebonite GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 9341-2008 Plastics—Determination of flexural properties GB/T 9345.1-2008 Plastics—Determination of ash—Part 1:General methods GB/T 16422.2-2014 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc sources GB/T 37426-2019 Plastics—Test specimens