Enhanced Surface Finish: Additives like air-entraining agents can improve the finish and appearance of concrete by preventing defects like cracking, honeycombing, or surface dusting, ensuring a smooth, professional-grade surface.

Specification of Concrete Admixture RDP Powder for Exterior Thermal Insulation Composite System ETICS

Specification of Concrete Admixture RDP Powder for ETICS

Product Introduction

RDP (Redispersible Polymer Powder) is a vital additive utilized in exterior thermal insulation composite systems (ETICS). This fine white powder improves attachment, flexibility, and water resistance in cement-based provides and adhesives. It is particularly created for use in external wall surface insulation applications where long-lasting resilience and climate resistance are necessary.

Trick Residences

The RDP powder liquifies conveniently in water during blending and develops a solid polymer film after drying. This movie binds cement fragments together, that makes the last coating harder and much less most likely to fracture. It also helps the make stick better to insulation boards like EPS or mineral wool. The item stands up to rain, UV direct exposure, and temperature level modifications without shedding performance.

Technical Data

– Appearance: Free-flowing white powder
– Bulk thickness: 450– 600 g/L
– Ash web content: 10– 15%.
– Minimum film-forming temperature: 5 ° C.- Residue on filter (0.315 mm): ≤ 2%.
– Suggested dosage: 1.5– 3.0% by weight of complete dry mix.

Handling and Storage space

Store RDP powder in a completely dry, awesome area away from moisture. Maintain bags secured up until use. Stay clear of direct contact with eyes or skin. Use standard protective gear when taking care of. The life span is one year if kept appropriately in initial product packaging.

Application Guidelines

Mix RDP powder completely with completely dry ingredients before adding water. Use tidy blending devices and follow the recommended water-to-powder ratio. Use the mixture within the functioning time specified by the base formula. Do not use listed below 5 ° C or in wet problems. Permit proper healing time before subjecting to hefty rainfall or mechanical tension.

Applications of Concrete Admixture RDP Powder for Exterior Thermal Insulation Composite System ETICS

Applications of Concrete Admixture RDP Powder in ETICS

Stronger, A Lot More Resilient Insulation Systems

RDP powder (Redispersible Polymer Powder) is a crucial ingredient in modern outside thermal insulation composite systems (ETICS). When mixed into skim coat and adhesives, it considerably boosts exactly how well these products adhere to wall surfaces and insulation boards. This solid bond helps the whole system remain in area for years, also under harsh weather.

Much Better Adaptability and Split Resistance

Concrete and cement-based layers can become fragile over time. Adding RDP powder provides more adaptability. This indicates the layer can manage little activities in the building structure without fracturing. Less fractures imply far better protection versus water, wind, and temperature changes.

Water Repellent Yet Breathable

One large obstacle with wall insulation is managing dampness. RDP-modified mortars maintain fluid water out while still allowing water vapor go through. This balance stops mold and rot from creating behind the insulation. At the same time, interior air remains healthy and balanced due to the fact that caught dampness can leave.

Simpler to Work With On Website

Contractors discover RDP-enhanced mixes less complicated to spread and form. The powder enhances workability, so troweling goes smoother and faster. It likewise extends the open time– the window throughout which installers can change or remedy their job before the mix begins to establish.

Long-Term Performance You Can Trust Fund

Due to the fact that RDP strengthens attachment, flexibility, and dampness control, ETICS with this additive last longer and require fewer repair services. The surface stays clean and undamaged, maintaining the structure looking excellent and doing well period after period. Service providers and property owners both gain from this reputable, low-maintenance option.

Company Profile

We are the global leader in lightweight concrete and advanced engineered foam solutions. Known globally for its commitment to research, innovation, and applied expertise, we have been providing engineered foam solutions since the early 2012’s.

We can supply high-quality concrete admixture and foam concrete related products all over the world.

The company has a professional technical department and quality supervision department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.

If you are interested, please feel free and contact us.

Payment

T/T, Western Union, Paypal, Credit Card etc.

Shipment

By air, by sea, by express, as customers request.

5 FAQs of Concrete Admixture RDP Powder for Exterior Thermal Insulation Composite System ETICS

Frequently Asked Questions About RDP Powder for ETICS

What is RDP powder used for in ETICS?

RDP powder stands for Redispersible Polymer Powder. It is added to mortar mixes used in Exterior Thermal Insulation Composite Systems (ETICS). This powder helps the mortar stick better to insulation boards and the building wall. It also makes the coating more flexible and water-resistant.

How does RDP improve adhesion?

When mixed with water, RDP forms a polymer film inside the mortar. This film bonds the cement particles together and links them to the substrate. As a result, the mortar sticks firmly to surfaces like polystyrene boards or concrete walls. Good adhesion prevents cracks and delamination over time.

Does RDP powder affect workability?

Yes. RDP powder makes the fresh mortar smoother and easier to spread. It improves the consistency so workers can apply it evenly without extra effort. The mix stays workable longer, which is helpful on large job sites.

Is RDP powder waterproof?

RDP itself is not fully waterproof, but it greatly reduces water absorption. The polymer film blocks tiny pores in the mortar, slowing down moisture entry. This protects the insulation layer and keeps the wall dry. For full waterproofing, additional coatings may still be needed.

Can RDP powder be stored for a long time?

Store RDP powder in a cool, dry place away from moisture. Keep the bags sealed until use. If stored properly, it remains effective for 12 months. Do not use clumped or hardened powder—it may not redisperse correctly in the mix.