GB/T 13658-2015
Polymethylene polyphenylene isocyanate
GB/T 12009.3-2009
Plastics - Polymethylene polyphenyl isocyanate - Part 3: Determination of viscosity
GB/T 13658-1992
Polymethylene polyphenylene isocyanate
GB/T 12009.3-1989
Polymethylene polyphenyl isocyanate—Determination of viscosity
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