japan mitsubishi ptmg1000 polytetrahydrofuran ether ptmeg1000 molecular weight 25190-06-1
<p style="margin-left:0.0000pt; margin-right:0.0000pt" molecular formula :ho (ch2)4—[—o•(ch2)4—]n-1—oh features : can be used as the main raw material of polyurethane resin physical properties nature typical value molecular weight specifications 1000 color (apha) less than 10 hydroxyl value (mg koh/g) 107-117 molecular weight range 959-1049 humidity(%) less than 0.005 acid value(mg koh/g) less than 0.005 (%) 0.01…

