General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 29645-2013
Scope
This standard stipulates the classification and naming, requirements, test methods, inspection rules, signs, packaging, transportation and storage of polystyrene recycled modified special materials. This standard is applicable to the toughened and flame-retardant polystyrene recycled modified special materials obtained by modification with recycled polystyrene materials as the main component.
GB/T 29645-2013 Referenced Document
GB/T 1033.1-2008 Plastics.Methods for determining density of non-celluar plastics.Part1:Immersion method,liquid pyknometer method and titration method
GB/T 1040.2-2006 Plastics. Determination of tensile properties. Part 2: Test conditions for moulding and extrusion plastics
GB/T 1634.2-2004 Plastics-Determination of temperature of deflection under load-Part 2:Plastics,ebonite and long-fibre-reinforced composites
GB/T 17037.1-1997 Injection moulding of test specimens of thermoplastic materails--Part 1: General principles and moulding of multipurpose and bar test specimens
GB/T 1843 Determination of Izod Impact Strength of Plastics
GB/T 1844.1 Plastics—Symbols and abbreviated terms—Part 1:Basic polymers and their special characteristics*, 2022-10-12 Update
GB/T 18964.2-2003 Plastics--Impact-resistant polystyrene(PS-I)moulding and extrusion materials--Part 2:Preparation of test specimens and determination of properties
GB/T 26125 Electrical and electronic products.Determination of six regulated substances(lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenl ethers)
GB/T 26572 Requirements of concentration limits for certain restricted substances in electrical and electronic products
GB/T 2918 Standard environment for conditioning and testing of plastic specimens*, 2019-11-01 Update
GB/T 3682-2000 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics
GB/T 5169.16 Fire hazard testing for electric and electronic products.Part 16:Test flames.50 W horizontal and vertical flame test methods*, 2017-12-29 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 9341 Plastic.Determination of flexural properties
SH/T 1541 Test method for appearance of thermoplastic granules