PTMEG POLYTETRAMETHYLENE ETHER GLYCOL
Characteristical:
Polytetramethylene ether glycol (PTMEG/PTG) is produced by the acid catalyzed polymerization of tetrahydrofuran (THF). It is a straight-chain diol with repeated tetramethylene ether units.
Application:
Elastic fibers (swimsuits, underwear, stockings), synthetic leather, thermoplastic films, spandex, car seat fabrics, car gear lever heads
Grade |
Molecular weight ranges |
OH value (mgKOH/g) |
Color (APHA) |
Acid value max |
Water content(%) |
SE2001 |
959~1049 |
107~117 |
Max 50 |
Max 0.05 |
Max 0.02 |
SE2401 |
1336~1457 |
77~84 |
Max 50 |
Max 0.05 |
Max 0.02 |
SE2801 |
1726~1870 |
60~65 |
Max 50 |
Max 0.05 |
Max 0.02 |
SE3001 |
1901~2011 |
53~59 |
Max 50 |
Max 0.05 |
Max 0.02 |
SE4001 |
2877~3206 |
35~39 |
Max 50 |
Max 0.05 |
Max 0.02 |