WheChemical GR30 is a high-performance gypsum retarder designed for systems requiring stronger and longer-lasting retardation effects. It is especially suitable for advanced gypsum formulations, high-reactivity gypsums, and applications where extended open time and processing flexibility are critical. GR30 ensures excellent control of hydration kinetics while maintaining mechanical performance and surface quality.
|
Parameter |
Specification |
|
Chemical type |
High-performance organic gypsum retarder |
|
Product form |
Free-flowing powder |
|
Appearance |
White to light beige powder |
|
Bulk density |
400 – 700 g/l |
|
Moisture content |
≤ 5 % |
|
pH value (5 % solution) |
3.5 – 5.5 |
|
Solubility |
Partially soluble in water |
|
Recommended dosage |
0.02 – 0.15 % by weight of gypsum |
|
Compatibility |
All gypsum-based dry-mix systems |
Provides powerful and long-lasting control of gypsum setting behavior.
Supports longer workability windows for complex and large-scale applications.
Ensures stable control of hydration kinetics in demanding gypsum systems.
Maintains consistent retardation behavior under varying production and climate conditions.
Supports dependable processing and performance in advanced gypsum formulations.
Do you have any questions or comments about our products? Reach out to our sales team, always ready to help you.
wheChemical is an international supplier of cellulose derivatives and construction chemical additives, serving the global construction materials industry with reliable and performance-oriented solutions.
Our product portfolio includes WHECELL cellulose derivatives, WHEBOND redispersible polymer powders, and WHECHEM specialty additives, designed to enhance the performance of dry-mix mortars, tile adhesives, exterior insulation systems, and self-leveling compounds.
Working in close cooperation with established international manufacturing partners, wheChemical provides access to high-quality materials produced according to modern industrial standards. Our focus is to ensure reliable product availability, consistent quality, and formulation-oriented technical support for customers in the construction chemicals sector.
Whether you are formulating high-performance tile adhesives, developing self-leveling underlayments, or optimizing EIFS systems, wheChemical provides the chemical components needed to achieve reliable workability, water retention, adhesion strength, and long-term durability.
Contact our technical sales team to discuss your specific formulation requirements and request product samples.