HG/T 4309-2022
HG/T4309-2022
HG/T 4309-2012
Poly propylene glycol
HG/T 5277-2023
GB/T 25254-2022
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
HG/T 6020\uff5e6021-2022
HG/T 6020-2022
HG/T 4883-2016
1,4-Butanediol diglycidyl ether for industrial use
HG/T 4883~4884-2016
FZ/T 53005-2015
Polytrimethylene terephthalate top
FZ/T 54141-2023
FZ/T 54019-2009
Polytrimethylene terephthalate drawn yarns
HG/T 5389\uff5e5392-2018
FZ/T 54094-2017
Polytrimethylene terephthalate/Polydimethylene terephthalate(PTT/PET) composite drawn yarn
HG/T 5277-2017
Propylene glycol monobutyl ether for industrial use
FZ/T 54021-2009
Polytrimethylene terephthalate partially oriented yarns
FZ/T 54020-2009
Polytrimethylene terephthalate drawn textured yarns
FZ/T 52031-2014
Polytrimethylene terephthalate staple fiber
FZ/T 54041-2011
Polytrimethylene terephthalate/Polydimethylene terephthalate(PTT/PET) co-elastic yarns
FZ/T 52031-2013