Introduction
It can significantly improve the construction performance and mechanical properties of mortar, making it easy to construct, anti-fluid hanging and other characteristics.
Technical Overview of STD3155 Modified Cellulose Ether
STD3155 is a mid-viscosity modified cellulose ether offering balanced performance in water retention, thickening, and film formation. Its optimized chemical structure provides excellent compatibility with various additives while maintaining stability under different environmental conditions. Below are detailed technical specifications, applications, and handling guidelines.
Fundamental Physical & Chemical Properties
| Property |
Specification Range |
| Appearance |
White to off-white powder |
| Particle Size (mesh) |
80–120 (≥90% passing) |
| Bulk Density (g/cm³) |
0.35–0.55 |
| Viscosity (2% solution, 20°C) |
1500–3000 mPa·s |
| pH (1% aqueous solution) |
6.0–8.0 |
| Moisture Content |
≤5% |
Primary Industrial Applications
| Industry |
Key Function |
| Construction Mortars |
Improves workability & adhesion |
| Ceramic Tile Adhesives |
Enhances open time & adjustability |
| Water-Based Paints |
Acts as thickener & anti-settling agent |
| Paper Coatings |
Provides smooth film formation |
| Personal Care |
Stabilizer in creams & lotions |
Performance Characteristics
| Feature |
Technical Advantage |
| Water Retention |
>95% (standard testing conditions) |
| Thermal Stability |
Stable up to 80°C |
| Salt Tolerance |
Performs well in Ca²⁺/Mg²⁺ solutions |
| Pseudoplasticity |
High shear-thinning behavior |
| Biodegradability |
Environmentally friendly |
Recommended Usage Levels
| Application |
Dosage Range (% by weight) |
| Dry-Mix Mortar |
0.05–0.20% |
| Tile Adhesive |
0.10–0.30% |
| Emulsion Paints |
0.20–0.50% |
| Paper Sizing |
0.50–1.50% |
| Cosmetic Formulations |
0.50–2.00% |
Storage & Safety Considerations
| Parameter |
Guidelines |
| Storage Conditions |
Cool (<30°C), dry, sealed container |
| Shelf Life |
24 months (unopened) |
| Handling Precautions |
Minimize dust inhalation; use gloves |
| Incompatibilities |
Strong oxidizers, extreme pH |
Conclusion
STD3155 modified cellulose ether delivers reliable thickening, water retention, and stability across multiple industries. Its mid-range viscosity and excellent additive compatibility make it a cost-effective solution for formulations requiring consistent performance under varying conditions.
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