STD9401 Modified cellulose ether for gypsum base

We specialize in providing high-quality STD9401 Modified cellulose ether for gypsum base for industrial clients across various sectors. Whether you need chemicals consultation, technical support, or detailed information about our production capabilities, our team is here to help.

Category:Paint chemicals

Advantage:Customizable,Fast Delivery,Please tell me your specific needs.↓↓↓

Introduction

It is a product designed specifically for hand plastered gypsum. It provides good water retention at low additive levels, while at the same time providing good anti-sagging properties for plasters.

Introduction

STD9401 is a modified cellulose ether specifically designed for gypsum-based applications. This additive enhances the performance of gypsum products by improving water retention, workability, and adhesion while maintaining optimal setting characteristics. Below are three technical tables summarizing its key properties, performance benefits, and recommended dosage ranges.

Key Physical and Chemical Properties

Property Value/Range Test Method
Appearance White to off-white powder Visual inspection
Moisture content (%) ≤ 5.0 ASTM D7191
Viscosity (2% solution, mPa·s) 10.000 – 50.000 Brookfield LV, 20°C
pH (1% solution) 6.0 – 8.5 ASTM E70
Bulk density (g/cm³) 0.30 – 0.50 ISO 697

Performance Benefits in Gypsum-Based Systems

Performance Aspect Effect of STD9401
Water retention Improves significantly, reducing cracking
Workability Enhances spreadability and smoothness
Open time Extends for better application
Adhesion Strengthens bond to substrates
Setting time Adjustable with minimal retardation

Recommended Dosage for Different Applications

Application Dosage Range (% by weight of gypsum)
Gypsum plaster 0.1 – 0.3
Joint compounds 0.2 – 0.5
Self-leveling underlayments 0.05 – 0.2
Tile adhesives 0.3 – 0.6

Conclusion

STD9401 modified cellulose ether is a versatile additive for gypsum-based formulations, offering balanced viscosity, water retention, and workability. Its optimized performance makes it suitable for a wide range of construction applications.

If you're ready to take the next step or simply have a few questions, our experts are here to help. Connect with us today to learn more. ↓↓↓

Inquiry

    Factory & Shipment

    chemical factory
    chemical factory
    chemical factory
    chemical factory