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Dry-mix Mortar Admixture Redispersible Powder(RDP)

Product Description

RDP for self leveling floor material As one of the most complex products in modern dry mixed mortar, the properties of mineral based self-leveling mortar can be improved by adding re-dispersible powder. The main function of re-dispersible powderr in dry mixed mortar is consistent, and it can play an important role in increasing the tensile strength, flexibility and bonding force of self-leveling floor material. It also has a significant effect on the reduction of volatile organic compounds (VOC), auxiliary leveling and segregation reduction. Influence of RDP 1.Influence of RDP on bond strength
Due to the particularity of artesian flat floor construction:
(1) The self-leveling layer is a secondary additional layer.
(2) The construction thickness of artesian leveling layer is usually thinner than that of ordinary floor mortar.
(3) After self-leveling floor construction, for quick delivery and use, maintenance is usually not done or the maintenance time is very short.
(4) The self-leveling layer shall resist the thermal stress from different materials.
(5) Sometimes self-leveling materials are used for substrate that is difficult to adhere to.
Therefore, even with the auxiliary function of interface treatment agent, in order to ensure that the self-leveling layer can adhere firmly to the base layer for a long time, the addition of a certain amount of re-dispersible latex powder can ensure that the self-leveling material has a long-term and reliable adhesive force. No matter on the absorbent base surface (such as concrete, etc.), organic base surface (such as wood) or non-absorbent base surface (such as metal, such as ship deck), the bond strength of self-leveling materials is significantly improved with the increase of the content of redispersible latex powder.
2.Influence of RDP on wear resistance
Although the wear resistance of the bottom self-leveling material is not as high as that of the surface layer, due to the ground is inevitably subjected to a variety of dynamic and static stresses (from furniture caster, forklift and wheels), a certain degree of wear resistance is one of the important properties of self-leveling ground with long-term durability.
Because the redispersible emulsion powder strengthens the cohesion of the self-leveling material, and improves the plasticity (deformability) of the self-leveling material, so that it can well disperse the dynamic stress from the roller, and make the wear resistance of the self-leveling material has a very significant improvement.
3.Influence of RDP on folding and compressive strength
The brittleness of self-leveling floor material decreases with the increase of re-dispersible powder. This will reduce the elastic modulus of self-leveling floor material and improve its crack resistance.
4.Influence of RDP powder on tensile properties
With the increase of re-dispersible powder content, the cohesion (tensile strength) of the self-leveling material will be significantly improved, and the flexibility and variability of the cement-based self-leveling material will also be significantly improved. From the point of view of health and comfort, this kind of flexibility can help reduce noise and improve fatigue of standing on the body for a long time. Quality standard
Test items
White powder, no caking
Bulk density g/L
Nonvolatile content /(%)
Fineness (through 0.315mm standard sieve) % ≥
Use and storage ●Avoid direct contact with eyes and skin during use. Protective gloves and goggles are recommended. In case of accidental exposure, please clean the stained part with clean water.
●The product should be well protected from moisture during storage. If affected by moisture, the product is easy to agglomerate.
●This product is non-toxic, non-irritating and non-flammable.
Storage life: 12 months from production date. If the shelf life exceeds, it must be tested and verified before use. Packaging and transportation It is sealed with polypropylene woven bag lined with polyethylene inner bag, net weight of each bag is 25kg.Avoid rain and sun during transportation.

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Product Categories : polycarboxylate superplasticizer > polycarboxylate superplasticizer

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