STD400 Cellulose Ether
It is a product specially developed for self-leveling mortar systems and can be widely used in cement-based and gypsum-based self-leveling mortars.
Product Overview
STD400 is a high-performance cel...
Category：Paint chemicals
Introduction
It is a product specially developed for self-leveling mortar systems and can be widely used in cement-based and gypsum-based self-leveling mortars.
Product Overview
STD400 is a high-performance cellulose ether derivative designed for industrial applications requiring excellent water retention, thickening, and binding properties. This modified ether exhibits consistent viscosity and enhanced stability in various formulations.
Physical Characteristics
| Property | Specification | Test Method |
|---|---|---|
| Appearance | White to cream-colored powder | Visual inspection |
| Particle size | 90% min passing 100 mesh | Sieve analysis |
| Bulk density | 0.35-0.45 g/cm³ | ASTM D1895 |
| Moisture content | ≤5.0% | Karl Fischer |
| pH value (1% solution) | 6.0-8.5 | Potentiometric |
Solution Properties (2% aqueous solution, 25°C)
| Parameter | Typical Value | Measurement Conditions |
|---|---|---|
| Viscosity | 400±50 mPa·s | Brookfield LV, 30 rpm |
| Surface tension | 48-52 mN/m | Du Noüy ring method |
| Transmittance | ≥85% | 650 nm wavelength |
| Gelation point | >70°C | Visual observation |
Performance Advantages
| Characteristic | Technical Benefit |
|---|---|
| Rapid hydration | Reduces mixing time in applications |
| Pseudoplastic behavior | Improves workability and spreadability |
| Thermal stability | Maintains performance up to 80°C |
| Salt tolerance | Effective in high-ionic solutions |
| pH stability | Performs across pH 3-11 range |
Application Guidelines
| Industry Application | Function | Recommended Dosage (%) |
|---|---|---|
| Dry-mix mortars | Water retention agent | 0.1-0.3 |
| Tile adhesives | Thickener | 0.2-0.4 |
| Emulsion paints | Rheology modifier | 0.3-0.6 |
| Paper coatings | Binder | 0.5-1.2 |
| Personal care | Viscosity enhancer | 0.5-2.0 |
Storage & Safety Information
| Parameter | Requirement |
|---|---|
| Storage temperature | <30°C |
| Relative humidity | <65% |
| Shelf life | 24 months |
| Packaging | 25kg moisture-proof bags |
| Safety classification | Non-toxic, non-hazardous |
Technical Notes
For optimal dissolution, premix with other dry ingredients before adding water
Viscosity varies with temperature and concentration
Compatible with most common additives in construction materials
Not recommended for use in strongly acidic (pH<2) environments
Factory & Shipment
