GB/T 13658-2015
Polymethylene polyphenylene isocyanate
GB/T 13941-2015
Diphenylmethane diisocyanate
GB 31830-2024
Norm of energy consumption per unit production of toluene diisocyanate and diphenyl methane diisocyanate
GB/T 37042-2018
Hexamethylene diisocyanate
GB/T 12009.3-2009
Plastics - Polymethylene polyphenyl isocyanate - Part 3: Determination of viscosity
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
GB/T 12009.4-1989
Polymethylene polyphenyl isocyanate—Determination of isocyanate content
GB 18533-2001
Occupational exposure limit for polymethylene polyphenyl isocyanate(PMPPI) in the air of workplace
GB/T 12009.3-1989
Polymethylene polyphenyl isocyanate—Determination of viscosity
GB/T 13658-1992
Polymethylene polyphenylene isocyanate
T/CASME 260-2022
GBZ/T 300.164-2018
Determination of toxic substances in workplace air-Part 164:Diphenylmethane diisocyanate
GB/T 13941-1992
Diphenylmethane 4,4'-diisocyanate
SN/T 5345-2021
EN 15168:2006
UNE-EN 15168:2007
Surface active agents - Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
BS EN 15168:2006
Surface active agents. Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
DIN EN 15168
Surface active agents - Determination of hydroxyl value - p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
WS/T 168-1999
Workplace air—Determination of diphenyl methand 4,4'-di-iso-cyanate-N-(1-naphthyl)ethylenediamine dihydrochloride spectrophotometric method