japan mitsubishi ptmg1000 polytetrahydrofuran ether ptmeg1000 molecular weight 25190-06-1
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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 |
|
typical characteristics |
typical applications |
|
nai low temperature resistance, wear resistance |
production the main raw material of spandex,is used to synthesize high performance |
|
nai impact resistance, can improve strength |
polyurethane resin, can be made into synthetic leather and elastomer |
|
good hydrolysis resistance and high elasticity |
fiber , cable sheathing, artificial materials, etc. |
supply form ：200kg