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| OEM | OEM Services Provided |
| Feature | Good stability |
| Classification | Paint Additives |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact Export Director now ↓ |
It is a product developed to improve the construction performance of cement-based or gypsum-based dry mortar. It can be used in applications such as ready-mixed mortar, plaster, putty, tile adhesive and external wall insulation.
STD70MD is a premium-grade unmodified cellulose ether derived from natural cellulose, offering exceptional purity and consistent performance in various industrial applications. As an unmodified variant, it maintains the inherent properties of cellulose while providing reliable thickening, binding, and stabilization capabilities.
| Property | Specification | Test Method |
|---|---|---|
| Appearance | White fibrous powder | Visual inspection |
| Degree of Substitution | 0.65-0.85 | Titration method |
| Bulk Density | 0.25-0.35 g/cm³ | ISO 60 |
| Moisture Content | ≤8.0% | Karl Fischer |
| Ash Content | ≤0.5% | ISO 2144 |
| Parameter | Typical Value | Measurement Conditions |
|---|---|---|
| Viscosity | 70±10 mPa·s | Brookfield LV, 60 rpm |
| pH Value | 6.5-7.5 | Potentiometric |
| Surface Tension | 52-56 mN/m | Wilhelmy plate |
| Transparency | ≥90% | 650 nm wavelength |
| Characteristic | Performance Benefit |
|---|---|
| High purity | Minimal impact on system chemistry |
| Newtonian flow | Predictable rheological behavior |
| Thermal reversibility | Maintains properties after heating-cooling cycles |
| Biocompatibility | Suitable for food and pharmaceutical applications |
| Film formation | Creates uniform, flexible films |
| Application Sector | Primary Function | Concentration Range |
|---|---|---|
| Food industry | Thickener and stabilizer | 0.1-1.0% |
| Pharmaceutical | Tablet binder and disintegrant | 0.5-5.0% |
| Paper coating | Binder and rheology modifier | 0.3-1.5% |
| Textile printing | Thickener for dye pastes | 0.5-2.0% |
| Ceramic processing | Green strength enhancer | 0.2-0.8% |
| Parameter | Requirement |
|---|---|
| Storage conditions | <25°C, <65% RH |
| Shelf life | 36 months |
| Packaging | 20kg multi-wall paper bags |
| Safety classification | Generally Recognized as Safe (GRAS) |
| Handling precautions | Standard industrial hygiene practices |
Exhibits true solubility in cold water with proper dispersion
Viscosity development requires complete hydration (typically 20-30 minutes)
Compatible with most ionic and non-ionic additives
Not recommended for use in strongly acidic (pH<3) environments
Natural origin makes it suitable for organic formulations
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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