This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of high-impact polystyrene (PS-HI) masterbatch (hereinafter referred to as masterbatch). This standard applies to masterbatch prepared with PS-HI resin as the basic material.
HG/T 4669-2014 Referenced Document
GB/T 1040.2 Plastics—Determination of tensile properties—Part 2: Test conditions for moulding and extrusion plastics*， 2022-07-11 Update
GB/T 17037.1 Plastics—Injection moulding of test specimens of thermoplastic materials—Part 1:General principles，and moulding of multipurpose and bar test specimens*， 2019-05-10 Update
GB/T 1843 Determination of Izod Impact Strength of Plastics
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 6284 Chemical products for industrial use General method for determination of water content The loss mass on drying method
SH/T 1541 Test method for appearance of thermoplastic granules
HG/T 4669-2014 history
2014HG/T 4669-2014 High impact polystyrene (PS-HI) color masterbatch