Diol chain extender for cast polyurethane elastomers, melted and blended into the prepolymer before molding and post-cure. Can be combined with a higher-melting extender to moderate shrinkage.
Product Code
HQEE
Hydroquinone Bis(2-hydroxyethyl) Ether (HQEE)
CAS Number
104-38-1
EINECS
203-197-3
Description
Synonyms
Key applications
- Chain extender for cast polyurethane elastomers
Characteristics
| Molecular formula | C10H14O4 |
|---|---|
| Molecular weight | 198.2 |
| Appearance | White to off-white flakes or crystalline powder |
| Color (APHA) | ≤ 10 |
| Hydroxyl value | 550-580 mg KOH/g |
| Purity | ≥ 98% (GC) |
| Melting range | ≥ 100°C |
| Moisture | ≤ 0.3% |