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| Classification | Paint Additives |
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It can significantly improve the construction performance and mechanical properties of putty, and make the putty has the characteristics of smooth construction, light handfeel, easy to sand, high strength.
STD42MW01 Modified Cellulose Ether for High-Performance Building Materials
STD42MW01 is a specially engineered cellulose ether designed for advanced construction applications, offering superior water retention, viscosity control, and enhanced mechanical properties in cementitious and gypsum-based systems. Below are five detailed tables summarizing its key characteristics, performance benefits, and application guidelines.
| Property | Specification | Test Method |
|---|---|---|
| Appearance | White to light yellow powder | Visual inspection |
| Moisture content (%) | ≤ 4.5 | ASTM D7191 |
| Bulk density (g/cm³) | 0.35 – 0.55 | ISO 697 |
| pH (1% aqueous solution) | 6.5 – 8.0 | ASTM E70 |
| Particle size (μm) | 80% ≤ 100 | Laser diffraction |
| Parameter | Value/Range | Test Method |
|---|---|---|
| Viscosity (mPa·s) | 20.000 – 80.000 | Brookfield LV, 20 rpm |
| Gelation temperature (°C) | > 75 | Thermal stability test |
| Solubility | Instant in cold water | Visual assessment |
| Thickening efficiency | High | Comparative testing |
| Property | Effect of STD42MW01 |
|---|---|
| Water retention | Excellent (> 95% in cement mortar) |
| Workability | Improves spreadability and reduces sagging |
| Adhesion strength | Enhances substrate bonding |
| Crack resistance | Reduces shrinkage cracks |
| Setting time control | Minimal retardation effect |
| Application | Dosage (% by weight of binder) |
|---|---|
| Tile adhesives | 0.2 – 0.7 |
| Gypsum-based plasters | 0.1 – 0.5 |
| Self-leveling compounds | 0.05 – 0.3 |
| Cement renders | 0.15 – 0.6 |
| Repair mortars | 0.2 – 0.8 |
| Additive Type | Compatibility | Remarks |
|---|---|---|
| Redispersible polymer powders (RDP) | Excellent | Improves flexibility |
| Polycarboxylate ether (PCE) superplasticizers | Good | May require dosage adjustment |
| Air-entraining agents | Good | No negative impact |
| Retarders & accelerators | Compatible | Adjust based on formulation |
| Defoamers | Excellent | No adverse effects |
STD42MW01 modified cellulose ether is a high-performance additive that significantly enhances the workability, durability, and adhesion of construction materials. Its balanced rheology and excellent compatibility make it ideal for demanding applications in modern building chemistry.
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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