WheBond RDP-N812 is a rigid redispersible polymer powder designed to provide strong mechanical stability and enhanced rigidity in polymer-modified cementitious and gypsum-based mortars. This formulation focuses on improving structural integrity, mechanical resistance, and long-term dimensional stability where flexible deformation is not a priority. The product supports improved mortar cohesion, high compressive and flexural strength, and performance stability under load. It is particularly suitable for applications where stiffness, load-bearing performance, and surface durability are critical.
|
Parameter |
Specification |
|
Polymer type |
Redispersible Polymer Powder (VAc/E based) |
|
Constitution |
VAc/E; solid content 98–100% |
|
Product form |
Free-flowing white powder |
|
Appearance |
White powder |
|
Bulk density |
400–600 kg/m³ |
|
Protective colloid |
Polyvinyl alcohol |
|
Ash content |
15 ± 2% |
|
Average particle size |
60–100 µm |
|
pH value |
6–9 |
|
Minimum film forming temperature (MFFT) |
4 °C |
|
Glass transition temperature (Tg) |
18 °C |
|
Water dispersion |
Rapid re-dispersion with standard mixing |
|
Film forming |
Upon redispersion and drying |
|
Compatibility |
Cementitious and gypsum-based systems |
|
HS Code |
3912.39 |
Enhances bond strength in cement-based mortars for more reliable application performance.
Increases flexural strength and deformability to support better mechanical performance.
Improves surface durability and resistance to wear in finished applications.
Supports easier processing while keeping leveling, thixotropy, and water retention largely unchanged.
Suitable for a wide range of cementitious and gypsum-based dry-mix systems.
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.
