303 is a 350-molecular-weight polypropyleneoxide-based triol.
It is mainly to produce elastomers, mainly used as a crosslinking agent.
|
Item |
303 |
|
Appearance? |
Colorless transparent liquid |
|
OH Value,mgKOH/g |
436-465 |
|
20?Gravity,g/ml |
1.04-1.06 |
|
25?Viscosity,mpas |
350-500 |
|
Acid value,mgKOH/g |
≤0.05 |
|
PH |
5.0-7.0 |
|
Moisture,?%? |
≤0.050 |