HG/T 6064-2022
HG/T 6063\uff5e6064-2022
GB/T 37042-2018
Hexamethylene diisocyanate
GB 31830-2024
Norm of energy consumption per unit production of toluene diisocyanate and diphenyl methane diisocyanate
GB/T 13658-2015
Polymethylene polyphenylene isocyanate
GB/T 13941-2015
Diphenylmethane diisocyanate
GB/T 32469-2016
Plastics—Polyurethane raw materials—Toluene diisocyanates
GB/T 18446-2009
Binders for paints and varnishes - Determination of monomeric diisocyanates in isocyanate resins
GB 31828-2015
The norm of energy consumption per unit product of toluene diisocyanate
GB 31830-2015
The norm of energy consumption per unit product of diphenyl methane diisocyanate
GBZ/T 300.132-2017
Determination of toxic substances in workplace air-Part 132: Toluene diisocyanate,diphenylmethane diisocyanate andisophorone diisocyanate
HG/T 6063-2022
GB/T 32471-2016
Plastics—Determination of the isomer ratio in toluene diisocyanates for use in the production of polyurethanes
GB/T 12009.3-2009
Plastics - Polymethylene polyphenyl isocyanate - Part 3: Determination of viscosity
SN/T 5345-2021
GB/T 32477-2016
Plastics—Determination of total chlorine content in toluene diisocyanates for use in the production of polyurethanes
SN/T 5607-2024
32008H0098
SN/T 4192-2015
Inspection rules for import and export dangerous chemical products - Toluene diisocyanate
GB/T 12009.4-1989
Polymethylene polyphenyl isocyanate—Determination of isocyanate content