South Korea PTG PTMEG 2000 polytetrahydrofuran ether/polytetramethyl ether glycol PTMEG2000 molecular weight 25190-06-1

                                                                                specification specifications itemproject unitunit specificationparameters appearance appearance — transparent liquid or white waxy solid waxy at low temp white waxy solid,or becomes a transparent liquid at low temperature molecular weight molecular weight g /mol 2000 +/- 50 hydroxyl no hydroxyl value mg koh/g 54.7 ~ 57.5 acid no 40/4℃ 0.974 melting point melting point…