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2018

10 rubber additive industry standards will be implemented from July 1

Author:

Not long ago, the Ministry of Industry and Information Technology issued an announcement approving 643 industry standards, including 10 rubber additive industry standards, with an implementation date of July 1, 2016.

The industry standard numbers, names and main contents of rubber additives are shown in the attached table.

Rubber additives industry standard number, name, main content

HG/T 4890-2016

Vulcanization accelerator Tetramethylthiuram monosulfide (TMTM)

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of the vulcanization accelerator tetramethylthiuram monosulfide (referred to as vulcanization accelerator TMTM).

This standard applies to vulcanization accelerator TMTM made with dimethylamine, carbon disulfide, etc. as main raw materials.

HG/T 4891-2016

Vulcanization accelerator Zinc dibenzyl dithiocarbamate (ZBEC)

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of the vulcanization accelerator zinc dibenzyl dithiocarbamate (referred to as vulcanization accelerator ZBEC).

This standard applies to the vulcanization accelerator ZBEC made with dibenzylamine, carbon disulfide, zinc-containing compounds, etc. as the main raw materials.

HG/T 4892-2016

Aminosilane coupling agent

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of five types of aminosilane coupling agent products.

This standard applies to aminosilane coupling agents prepared by substitution reaction with alkoxysilane and liquid ammonia or ethylenediamine as the main raw materials.

HG/T 4893-2016

Epoxy silane coupling agent

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of five types of epoxy silane coupling agent products.

This standard applies to epoxy silane coupling agents prepared by hydrosilylation reaction with hydrogen-containing silane and allyl glycidyl ether or 1,2-epoxy-4-vinylcyclohexane as the main raw materials.

HG/T 4894-2016

Unsaturated silane coupling agent

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of six types of unsaturated silane coupling agents.

This standard applies to unsaturated silane coupling agents with methacryloyloxy functional groups obtained through substitution reactions using alkoxysilanes, methacrylates, etc. as main raw materials; and unsaturated silane coupling agents with vinyl functional groups obtained through addition reactions using hydrogen-containing silanes, acetylene, etc. as main raw materials.

HG/T 4895-2016

Rubber antioxidant N-(1-methylheptyl)-N'-phenyl-p-phenylenediamine and 2,2,4-trimethyl-1,2-dihydroquinoline polymer compound (8PPD/TMQ)

This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage and safety of N-(1-methylheptyl)-N'-phenyl-p-phenylenediamine (8PPD) and 2,2,4-trimethyl-1,2-dihydroquinoline polymer (TMQ) compounds (referred to as rubber antioxidant 8PPD/TMQ compounds).

This standard applies to the rubber antioxidant 8PPD/TMQ compound prepared by heating and compounding 8PPD and TMQ in a ratio of approximately 7:3.

HG/T 4896-2016

Rubber antioxidant N-(1-methylheptyl)-N'-phenyl-p-phenylenediamine (8PPD)

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and safety of N-(1-methylheptyl)-N'-phenyl-p-phenylenediamine (referred to as rubber antioxidant 8PPD).

This standard applies to rubber antioxidant 8PPD prepared by condensation reduction of 4-aminodiphenylamine and 2-octanone.

HG/T 4897-2016

Rubber antioxidant N,N'-bis(1,4-dimethylpentyl)-p-phenylenediamine (77PD)

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and safety of N,N'-bis(1,4-dimethylpentyl)-p-phenylenediamine (referred to as rubber antioxidant 77PD).

This standard applies to rubber antioxidant 77PD prepared by the condensation alkylation reaction of 1,4-diaminobenzene (p-phenylenediamine) and methyl isopentyl ketone.

HG/T 4898-2016

Rubber antioxidant N-1,3-dimethylbutyl-N'-phenyl-p-phenylenediamine and N-1,4-dimethylpentyl-N'-phenyl-p-phenylenediamine compound (6PPD/7PPD)

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and safety of the mixture of N-1,3-dimethylbutyl-N'-phenyl-p-phenylenediamine (6PPD) and N-1,4-dimethylpentyl-N'-phenyl-p-phenylenediamine (7PPD) (referred to as rubber antioxidant 6PPD/7PPD mixture).

This standard applies to the rubber antioxidant 6PPD/7PPD compound prepared by heating 6PPD and 7PPD in a ratio of approximately 4:6.

HG/T 4899-2016

Cobalt Stearate

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of cobalt stearate.

This standard applies to cobalt salt products obtained by the neutralization reaction of cobaltous alkaline compounds with stearic acid.