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STD6456PF Modified cellulose ether for gypsum base

OEM  OEM Services Provided
Feature Good stability
Classification Paint Additives
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Significantly improves the yield of the plaster, thus increasing the coating rate, while at the same time ensuring the excellent anti-sagging properties of the plaster.

Introduction

STD6456PF is a high-performance modified cellulose ether specifically optimized for gypsum-based building materials. It enhances workability, water retention, adhesion, and mechanical strength while ensuring excellent compatibility with gypsum formulations. Below are five detailed tables summarizing its properties, performance benefits, and application guidelines.

Basic Physical & Chemical Properties

PropertySpecificationTest Method
AppearanceFine white powderVisual inspection
Moisture content (%)≤ 4.0ASTM D7191
Bulk density (g/cm³)0.35 – 0.55ISO 697
pH (1% aqueous solution)6.5 – 8.5ASTM E70
Particle size (μm)90% ≤ 100Laser diffraction

Rheological Properties (2% Solution at 20°C)

ParameterValue/RangeTest Method
Viscosity (mPa·s)40.000 – 70.000Brookfield LV, 20 rpm
Gelation temperature (°C)> 80Thermal stability test
SolubilityInstant in cold waterVisual assessment
Thickening efficiencyHighComparative testing

Performance Benefits in Gypsum Systems

PropertyEffect of STD6456PF
Water retention> 95% in gypsum plaster
WorkabilityImproves spreadability and reduces sagging
Adhesion strengthEnhances bond to substrates
Crack resistanceReduces shrinkage cracks
Setting time controlMinimal retardation effect

Recommended Dosage for Gypsum Applications

ApplicationDosage (% by weight of gypsum)
Gypsum plaster0.1 – 0.4
Gypsum-based putty0.15 – 0.5
Self-leveling gypsum0.05 – 0.3
Gypsum joint compound0.2 – 0.6
Decorative gypsum coatings0.1 – 0.4

Compatibility with Gypsum Additives

Additive TypeCompatibilityRemarks
Retarders (e.g., citric acid)ExcellentAdjust dosage for setting time
Foaming agentsGoodNo adverse effects
DispersantsCompatibleMay require optimization
Polymer modifiersExcellentEnhances flexibility
DefoamersGoodNo negative impact

Conclusion

STD6456PF modified cellulose ether is a high-efficiency additive for gypsum-based materials, offering superior water retention, workability, and crack resistance. Its optimized rheology and compatibility make it ideal for a wide range of gypsum applications, from plasters to self-leveling compounds.

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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