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This Standard stipulates the method of adopting single test piece brittleness temperature testing machine to test vulcanized rubber brittleness temperature and judging whether vulcanized rubber is failed after being impacted at a stipulated temperature. The method includes two procedures: Procedure A is applicable to the test of brittleness temperature; Procedure B is applicable to the judgment of whether fail is caused after the impact at a stipulated temperature.
This Part of GB/T 31270 specifies the basic requirements such as material, condition, operation, quality control, data processing, test report of trichogramma acute toxicity test caused by pesticides.
This standard specifies the terms and definitions, requirements, test methods, inspection rules, signs of tongue scrapers. This standard applies to manual tongue scrapers, which are made of plastic and other polymer materials, for cleaning the tongue surface.
This Standard specifies the definition, order contents, dimensions, appearance, weight as well as allowable deviation, technical requirements, test methods, inspection rules, transport, storage, marks, and quality certificate of non-alloy steel, low-alloy steel, and alloy-steel continuous casting square and rectangular blank.
This Standard is applicable to the raw and cooked nuts and seeds food.
This Part of NB/T 47013 specifies the liquid penetrant testing method and quality grading of pressure Equipment. This Part applies to the testing of surface-breaking defects which are caused in the manufacture, installation and use of pressure Equipment made of non-porous metallic materials.
This Standard specifies the ordering content, classification, code, dimension, shape, weight and permissible deviation, technical requirements, test methods, inspection rules, package, mark and quality certificate of the hot rolled sheet pile.
This Standard specifies terms and definitions, product category and code, requirements, test methods, inspection rules. and marking, packaging, transportation, and storage of canned poultry.
This standard specifies the dimensions, shapes, technical requirements, test methods, inspection rules, packaging, marking, quality certificates of iron-nickel 4J36 alloy, freecutting 4J38 alloy, iron-nickel-cobalt 4J32, 4J32A, 4J40 alloy bars, strips, flats, wires, tubes.
This standard specifies the preparation, sample preparation, inspection method and qualified indexes for pressure equipment (boiler, pressure vessels and pressure piping) product welded coupons.