GB/T 20991-2024 Foot protection—Test methods for footwear

GB/T 20991-2007 Personal protective equipment—Test methods for footwear

GB/T 308.1-2013 Rolling bearings—Balls—Part 1:Steel balls GB/T 528-2009 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 529-2008 Rubber,vulcanized or thermoplastic—Determination of tear strength(Trouser,angle and crescent test pieces) GB/T 2411-2008 Plastics and ebonite—Determination of indentation hardness by means of a durometer(shore hardness) GB/T 2703-2017 Footwear—Vocabulary GB/T 2941-2006 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 3903.33-2019 Footwear—Test methods for insoles and insocks—Water absorption and desorption GB/T 3903.43-2019 Footwear—Test methods for uppers,lining and insocks—Seam strength GB/T 9867-2008 Rubber,vulcanized or thermoplastic—Determination of abrasion resistance using a rotating cylindrical drum device GB/T 16825.1-2002 Verification of static uniaxial testing machines—Part 1:Tension/compression testing machines—Verification and calibration of the force-measuring system GB/T 16825.1-2008 Verification of static uniaxial testing machines—Part 1:Tension/compression testing machines—Verification and calibration of the force-measuring system GB/T 16825.1-2022 Metallic materials—Calibration and verification of static uniaxial testing machines—Part 1:Tension/compression testing machines—Calibration and verification of the force-measuring system GB 21148-2007 Personal protective equipment—Safety footwear GB 21148-2020 Foot protection—Safety footwear GB/T 21196.1-2007 Textiles—Determination of the abrasion resistance of fabrics by the Martindale method—Part 1:Martindale abrasion testing apparatus GB/T 22807-2019 Leather and fur—Chemical tests—Determination of chromium(Ⅵ) content:Colorimetric method GB 24541-2022 Hand protection—Protective gloves against mechanical risks GB/T 28287-2012 Foot protection—Test method for footwear slip resistance GB/T 28288-2012 Foot protection—Toecaps and penetration-resistant inserts GB/T 38402-2019 Leather and fur—Chemical tests—Determination of chromium(Ⅵ) content:Chromatographic method GB/T 40920-2021 Leather—Tests for colour fastness—Colour fastness to cycles of to-and-fro rubbing HG/T 2581.1-2022 Rubber or plastic-coated fabric - Determination of tear resistance - Part 1: Constant speed tearing method QB/T 2710-2018 Leather Physical and Mechanical Tests Determination of Tensile Strength and Elongation Rate QB/T 2711-2005 QB/T 2714-2018 Leather Physical and Mechanical Tests Determination of Durability to Flexion QB/T 2724-2018 Leather Chemical Test pH Determination GB 28288-2025 Foot protection—Protective toecaps

ISO 20344:2021