South Korea PTG PTMEG 3000 polytetrahydrofuran ether/polytetramethyl ether glycol PTMEG3000 molecular weight 25190-06-1

                                                                            specification specifications itemproject unitunit specificationparameters appearance appearance — a white waxy solid,and may become transparent liquid over a room temperature white waxy solid,turns into a transparent liquid above room temperature molecular weight molecular weight g /mol 3000 +/- 100 hydroxyl no hydroxyl value mg koh/g 36.2 ~ 38.7 40/4℃） 40 /4℃ 0.970 melting point…