GB Standards - Free Standards Download

GB 197-81 pdf download

GB 197-81 pdf download.General purpose screw threads--Tolerances and fits (diameter from 1 to 355mm).National Standard of the Peoples Republic of China. This standard is applicable to the thread stipulated in GB 192-81 General purpose screw threads--Basic concepts...

01-21

GB 8410-94 pdf download

GB 8410-94 pdf download.Flammability of automotive interior materials.National Standard of the People's Republic of China. GB 8410-94 specifies the horizontal flammability requirement and test method for trim materials used in the cab and occupant compartments of motor...

01-21

GB 912 pdf download

GB 912 pdf download.Hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels. This standard sets the requirements for the testing methods, inspection rules, packaging, marking, dimensions, appearance, weight, technical requirements, permissible...

01-21

GB/T 11048-2018 pdf download

GB/T 11048-2018 pdf free download.English title is Textiles-Physiological effects-Measurement of therma and water-vapour resistance under steady-state conditions(sweating guarded-hotplate test). Chinese title is 纺织品生理舒适性稳态条件下热阻和湿阻的测定(蒸发热板法).本标准规定了在稳态条件下纺织品生理舒适性的热阻和湿阻的测定方法。本标准适用于各类纺织织物及其制品，涂层织物、皮革以及多层复合材料等可参照执行。

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GB/T 32610-2016 pdf download

GB/T 32610-2016 pdf free download.Technical specification of daily protective mask.The Chinese title is "日常防护型口罩技术规范 ". 本标准规定了日常防护型口罩的术语与定义、分级、技术要求、测试方法、检验规则、包装、标识及储运要求。本标准适用于在日常生活中空气污染环境下滤除颗粒物所佩戴的防护型口罩。本标准不适用于缺氧环境、水下作业、逃生消防、医用及工业防尘等特殊行业用呼吸防护用品，也不适用于婴幼儿、儿童呼吸防护用品。 This standard specifies the terms and definitions, classification, technical requirements, test methods, inspection rules, packaging, marking and storage and...

12-08

GB/T 9439-2010 pdf download

GB/T 9439-2010 pdf free download.Grey Iron Castings.Now you can download the pdf file here. This standard specifies the terminology, definition, designation, technical requirements, sampling, testing methods, inspecting rule, packing, marking and certification grey iron catings. This standard...

12-08

GB/T 38576-2020 pdf free download

Standard Number:GB/T 38576-2020Standard Name:Collection and processing of human blood biomaterialStandard Size:1.4MFile Format:PDFIntroduction:This standard specifies the basic requirements for the preparation, collection process and processing of human blood samples before collection. This standard is applicable to the collection...

04-22

GB/T 38579-2020 pdf free download

Standard Number:GB/T 38579-2020Standard Name:Determination of photosynthetic bacteria in biologic productsStandard Size:6.8MFile Format:PDFIntroduction:This standard specifies the determination method of photosynthetic bacteria in biological products. 本标准规定了生物产品中光合细菌的测定方法。 This standard is applicable to the determination of Rhodos pirillum rubrun, Rhodos pirillum...

04-22

GB/T 38512-2020

Standard Number:GB/T 38512-2020 Standard Name:Aluminum and aluminum alloy tubes for the pressure vessel Chinese Name:压力容器用铝及铝合金管材 Standard Size:568K Published:2020-03-06 Implementation time:2021-02-01 File Format:PDF Introduction:本标准规定了压力容器用铝及铝合金管材的要求、试验方法、检验规则和标志、包装、运输、贮存及质量证明书与订货单(或合同)内容。本标准适用于压力容器用铝及铝合金管材(以下简称“管材”)。 This standard specifies the requirements, test methods, inspection rules, marks, packaging, transportation, storage,...

04-17

GB/T 38519-2020

Standard Number:GB/T 38519-2020 Standard Name:Fire alarm system for rolling stock Chinese Name:机车车辆火灾报警系统 Standard Size:1.05M Published:2020-03-06 Implementation time:2020-10-01 File Format:PDF Introduction:This standard specifies terms and definitions, service conditions, system composition, technical requirements and parameters of fire alarm system...

04-17