Hydroxyethyl Cellulose (HEC)
CAS Number: 9004-62-0
Hydroxyethyl cellulose (HEC) is a non-ionic, water-soluble polymer used as a primary thickener and rheology modifier in latex paints and architectural coatings. It delivers consistent viscosity across a broad pH range and imparts excellent leveling and flow properties. HEC is particularly valued for its compatibility with surfactants and its ability to stabilize pigment dispersions.
Technical Specifications
| pH | 6.5–8.5 (1% solution) |
| moisture | ≤5% |
| viscosity | 100–150,000 mPa·s (1% solution, Brookfield) |
| appearance | White to light yellow powder |
| ashContent | ≤5% |
Applications
- Latex interior paints
- Exterior emulsion coatings
- Decorative texture finishes
- Waterborne primer coatings
- Adhesive formulations
Key Features
- Stable viscosity over broad pH range
- Excellent compatibility with surfactants
- Good leveling and flow properties
- Effective pigment dispersion stabilizer
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CAS Number
9004-62-0
Category
Architectural Coating AdditivesAvailability
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