GB/T 37042-2018
Hexamethylene diisocyanate
GB/T 13658-2015
Polymethylene polyphenylene isocyanate
HG/T 5687\uff5e5688-2020
GB/T 22591-2008
Water treatment chemicals - Bis-hexamethylene ariamine penta-methylene phosphonic acid
GB/T 27812-2011
Water treatment chemicals - Polyamino Polyether Methylene Phosphonate (PAPEMP)
HG/T 3777-2023
HG/T 2841-2023
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
SH 2604.02-2003
Water treatment chemicals-solidum(ethylenedinitrilo)-tetramethylenephosphate
HG/T 3777-2005
Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid
GB/T 12009.3-2009
Plastics - Polymethylene polyphenyl isocyanate - Part 3: Determination of viscosity
HG/T 4328-2012
Water theatment chemical-Sodium salt of aminotrimethylene phosphonic acid
HG/T 2840-2010
Water treatment chemicals-Amino trimethylene phosphonic acid (solid)
HG/T 3538-2011
HG/T 4329-2012
Water treatment chemical-Ethylene diamine tetra (methylene phosphonic) penta sodium salt
GB/T 23834.5-2009
Chemical analysis method for stannous sulfate - Part 5: Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometry
GB/T 13658-1992
Polymethylene polyphenylene isocyanate
T/CPUIA 0009-2022
T/CPUIA 0004-2022
T/CPUIA 0008-2022