HG/T 4309-2022
HG/T4309-2022
HG/T 4309-2012
Poly propylene glycol
HG/T 5799-2021
Dipropylene glycol
HG/T 3939~3940-2007
HG/T 4981-2016
Propylene glycol monoethyl ether for industrial use
HG/T 5277-2023
HG/T 4980~4981-2016
HG/T 3939-2007
Propylene glycol monomethyl ether for industrial use
HG/T 5392-2018
1,2-Propylene glycol for industrial use
HG/T 4980-2016
1,3-Propanediol for industrial use
YC/T 242-2020
Tobacco flavorings—Determination of ethanol,1,2-propylene glycol and glycerol—Gas chromatography method
HG/T 3940-2007
Propylene glycol monomethyl ether acetate for industrial use
NB/SH/T 0521-2010
Ethylene glycol and propylene glycol base engine coolants
QB/T 4642-2014
(-)-Menthol 1-and 2-propylene glycol carbonate
QB/T 4636-2014
3-l-Menthoxypropane-1,2-diol
FZ/T 53005-2015
Polytrimethylene terephthalate top
DB43/T 1656-2019
NB/T 34073-2018
Fluids for solar low-temperature application-Propylene glycol
HG/T 4948-2016