Origin : Dow Chemical / Rebrand to Walocel 228 S , Same as previous factory and don't change Specification.
Packing : 20 kgs/ bag
Spec
MSDS
Walocel 228 or METHOCEL™ 228 is a hydroxypropyl methyl cellulose (HPMC) designed for use in tape joint compounds, crack fillers and similar construction materials. A cold water dispersible cellulose ether, Walocel 228 is a low viscosity thickener with slightly delayed solubility. It imparts good workability and excellent crack resistance, and reduces lump formation. It also enhances water retention.
Typical applications
- tape joint compounds
- crack fillers
Performance advantages
> good workability
> excellent crack resistance
> reduced lump formation
> high water retention
Properties
These properties are typical, but they do not constitute specifications.
| Appearance | White to slightly off-white powder |
| Ubbelohde viscosity, 2% in water at 20°C, mPa•s | 5,000 |
| Moisture content, % | < 5.0 |
| Particle size, < 70 U.S. Standard Sieve, 212 μm,% | > 97 |