GB/T 25254-2022
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
HG/T 3538-2011
HG/T 5868-2021
Technical specification for green-design product assessment-Polytetrarmethylene ether glycol
SH 2604.02-2003
Water treatment chemicals-solidum(ethylenedinitrilo)-tetramethylenephosphate
HG/T 4329-2012
Water treatment chemical-Ethylene diamine tetra (methylene phosphonic) penta sodium salt
GB/T 25254-2010
Poly-(tetra methylene ether glycol) (PTMEG) for industrial
HG/T 5867\uff5e5868-2021
HG/T 4890~4891-2016
HG/T 6009-2022
HG/T 5344\uff5e5349-2018
HG/T 6010-2022
T/FSI 075-2021
HG/T 6008\uff5e6010-2022
HG/T 6008-2022
T/FSI 012-2017
HG/T 5250~5252-2017
T/CST 24-2024
T/ZZB 3767-2024
T/ZZB Q064-2022
T/ZAQ 10114-2022