south korea ptg ptmeg 1000 polytetrahydrofuran ether/polytetramethyl ether glycol ptmeg1000 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 1000 +/- 50 hydroxyl no hydroxyl value mg koh/g 106.9 ~ 118.1 acid no acid value melting point melting point (℃)…

