CASE Polyether Polyol
- Product
- Polyether Polyol 204
Overview
Polyether polyol 204 is a polypropylene glycol diol with a nominal molecular weight of about 400 (hydroxyl value 270–290 mgKOH/g). A short-chain, low-viscosity diol, it is often used to adjust hardness and as an intermediate.
Also known as
Polypropylene glycol (PPG); Polyoxypropylene diol
CAS number
25322-69-4
Molecular formula
H(C3H6O)nOH
Molecular weight
About 400 (nominal)
Specifications
| Test items | Specifications |
| Appearance | Colorless transparent liquid |
| Hydroxyl value /(mgKOH/g) | 270-290 |
| Water content /% | ≤0.05 |
| Viscosity (25℃) /mPa·s | 60-80 |
| Acid value /(mgKOH/g) | ≤0.05 |
| pH | 5.0-7.0 |
| Color (APHA, Pt-Co) | ≤15 |
| K+Na /ppm | ≤3 |
| Functionality | 2 |
Applications
- Polyurethane coatings, adhesives and sealants
- Elastomers and prepolymers
- Waterproofing coatings and flooring
- Lubricants and other industrial uses
Packaging
210 kg/drum; 1000 kg/IBC; ISO tank or flexitank on request.
Storage
Store in sealed containers in a dry place at 15–35 ℃. Polyols absorb moisture, so keep containers closed; a nitrogen blanket is recommended for bulk storage.
