HG/T 5153~5156-2017
HG/T 5713\uff5e5716-2020
T/CSTM 00862-2023
HG/T 6001-2022
GB/T 13658-2015
Polymethylene polyphenylene isocyanate
GB/T 13941-2015
Diphenylmethane diisocyanate
GB/T 30304-2013
Methylphenyldichlorosilane for industial use
HG/T 5859-2021
Determination of component content for 2-biphenylyl diphenyl phosphate (BDP) used in triacetyl cellulose (TAC) film
GB 31830-2024
Norm of energy consumption per unit production of toluene diisocyanate and diphenyl methane diisocyanate
HG/T 2425-1993
GB/T 37042-2018
Hexamethylene diisocyanate
GB 31830-2015
The norm of energy consumption per unit product of diphenyl methane diisocyanate
HG/T 6315-2024
HG/T 3974-2019
HG/T 5467\uff5e5468-2018
HG/T 5467-2018
HG/T 5154-2017
Dimethoxymethylphenylsilane for industrial use
HG/T 5468-2018
GB/T 12009.3-2009
Plastics - Polymethylene polyphenyl isocyanate - Part 3: Determination of viscosity
HG/T 5654-2019