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Specification of RDP Redispersible Polymer Concrete Admixture for Cement Based Exterior Insulation Finishing System EIFS

RDP Redispersible Polymer Admixture for EIFS

Wat het is

This item is a redispersible polymer powder made for use in cement-based exterior insulation ending up systems (EIFS). In combinatie met water, it forms an adaptable film that bonds well with concrete and other building products. It improves the performance of( EIFS) base and finish coats.

Geheime voordelen

Veel betere hechting: The admixture helps the covering stick firmly to insulation boards, metselwerk, en andere ondergronden. This reduces the danger of delamination or fracturing gradually.
Waterbestendigheid: It lowers water absorption while still permitting vapor to pass through. This keeps walls dry without capturing moisture inside.
Flexibility and strength: The polymer includes elasticity to the cement matrix. This lets the system manage small movements triggered by temperature adjustments or architectural changes without breaking.
Werkbaarheid: It makes the mix easier to apply by hand or machine. The material spreads efficiently and holds its shape after application.

Precies hoe te gebruiken

Add the RDP powder directly right into dry cement, zand, en diverse andere volledig droge ingrediënten. Meng grondig voordat u water toevoegt. Normale doseringsvarianten vanaf 2% naar 6% per gewicht van volledige droge vaste stof, depending on the preferred performance. Constantly adhere to the producer’s instructions for your particular EIFS solution. Bewaar het poeder op een koele plaats, volledig droog gebied, weg van vocht. Houd de zakken gesloten als ze niet worden gebruikt.

Technische kenmerken

– Kijk: vrij stromend wit poeder
– Minimale filmvormingstemperatuur: rondom 5 ° C (41 ° F).
– Terugkerende vochtigheid: much less than 1%.
– Asgehalte: about 10– 15%.
– Deeltjesafmeting: goes through a 100-mesh filter.

This admixture satisfies basic needs for external wall systems and supports lasting durability in diverse climate condition.

Applications of RDP Redispersible Polymer Concrete Admixture for Cement Based Exterior Insulation Finishing System EIFS

Applications of RDP Redispersible Polymer Admixture in Cement-Based EIFS

Sterker, Extra Adaptable Surfaces

RDP redispersible polymer admixture enhances the efficiency of cement-based outside insulation completing systems (EIFS). When blended into base coats and coating renders, it develops an adaptable polymer movie after drying. This movie binds cement fragments together much more securely. Als resultaat, the layer comes to be tougher and much less likely to crack under stress or temperature level adjustments.

Better Bond to Insulation Boards

One essential advantage is stronger bonding to insulation boards like EPS or mineral wool. Zonder RDP, concrete alone may not stick well to these smooth or low-absorption surface areas. The polymer helps the mortar hold securely, decreasing the danger of delamination or detachment gradually.

Verbeterde waterbestendigheid

Water can harm EIFS if it leaks via little voids. RDP fills pores in the concrete matrix and produces a water-repellent obstacle. This keeps wetness out while still permitting vapor to leave– vital for protecting against mold and mildew and structural degeneration behind the finish.

Improved Workability and Longevity

Specialists locate RDP-modified mortars simpler to spread out and trowel. The mix stays practical longer and sticks far better to vertical surfaces. Na uitharding, the surface resists influence, slijtage, and weathering much better than plain cement provide. This suggests fewer repair services and longer life span.

Regular Performance in Real-World Issues

RDP makes sure reliable results throughout different environments and task sites. It compensates for variations in mixing water, healing conditions, and substrate quality. Contractors obtain consistent toughness, aanpassingsvermogen, and look set after batch– without added effort or cost.

This admixture is currently conventional in high-quality EIFS formulations worldwide. It fulfills modern-day needs for power effectiveness, aesthetic appeals, and long-lasting structure envelope stability– all while utilizing familiar application approaches.

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5 FAQs of RDP Redispersible Polymer Concrete Admixture for Cement Based Exterior Insulation Finishing System EIFS

Frequently Asked Questions About RDP for EIFS

What is RDP admixture used for in EIFS?

RDP (Herdispergeerbaar polymeerpoeder) is added to cement-based coatings in Exterior Insulation Finishing Systems. It helps the coating stick better to insulation boards and other surfaces. It also makes the finish more flexible and resistant to cracking.

Hoe verbetert RDP de weerbestendigheid??

RDP forms a thin polymer film when mixed with water and cement. This film blocks water from entering the system while still letting moisture vapor escape. Als resultaat, the wall stays dry and protected from rain, wind, en temperatuurveranderingen.

Heeft RDP invloed op de verwerkbaarheid van de mortel??

Ja. RDP makes the mortar smoother and easier to spread. It improves adhesion during application and reduces sagging on vertical surfaces. Workers find it simpler to achieve an even finish without extra effort.

Can RDP reduce cracking in EIFS finishes?

Het kan. The polymer in RDP adds flexibility to the rigid cement matrix. This allows the coating to handle small movements caused by thermal expansion or building settling. Fewer cracks mean longer-lasting protection and better appearance.

Is RDP compatible with common EIFS materials?

Ja. RDP works well with expanded polystyrene (EPS), minerale wol, and standard cementitious basecoats. It bonds strongly to these substrates and does not interfere with other additives like cellulose ethers or defoamers. Volg altijd de menginstructies van de fabrikant voor het beste resultaat.