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Chemical Industry
Standard No | Standard Name | Major Contents | Substituted Standards | Adopting Conditions | Effective Date |
HG/T 5500-2019 |
| This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of thermoplastic polyurethane pellets. This standard applies to thermoplastic polyurethane pellets synthesized from polyols and 4,4'-diphenylmethane diisocyanate as the main raw material. |
|
| 2019-11-01 |
HG/T 5510-2019 | Plastic Polybutylene terephthalate (PBT) resin | This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation and storage of polybutylene terephthalate (PBT) resin. This standard is applicable to polybutylene terephthalate (PBT) resin which is produced by esterification and polymerization of terephthalic acid and 1,4-butanediol. |
|
| 2019-11-01 |
HG/T 5511-2019 | Plastic Flame retardant polycarbonate special materials for household and similar electrical installations | This standard specifies the classification, requirements, test methods, inspection rules, signs and accompanying documents, packaging, transportation and storage of flame retardant polycarbonate special materials (referred to as PC special materials) for household and similar electrical equipment. This standard is applicable to PC special materials prepared by the process of melt plasticization, extrusion, granulation, etc. with polycarbonate as the main substrate and a part of additives and fillers. |
|
| 2019-11-01 |
HG/T 5513-2019 | Lignosulfonate-based coal water slurry dispersant | This standard specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation and storage of coal water slurry dispersing agents. This standard is applicable to lignosulfonate-based coal water slurry dispersing agent prepared from lignin and other raw materials. It is used for wet-flowing bed gasification of coal water slurry and fuel coal water slurry. The applicable coal type is bituminous coal and anthracite. |
|
| 2019-11-01 |
