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Redispersible polymer powder is water-soluble redispersible powders. It is divided into ethylene/vinyl acetate copolymer, vinyl acetate/vinyl tertiary carbonate copolymer, acrylic acid copolymer, etc., and is powder bonded after spray drying.

Redispersible polymer powder is a water-soluble redispersible powder, the most common is ethylene-vinyl acetate copolymer, and uses polyvinyl alcohol as a protective colloid. Therefore, redispersible polymer powder is very popular in the construction industry market.

Redispersible polymer powder features and applications in dry mix mortar

Redispersible polymer powder can improve the bending strength and adhesion strength of the mortar because it can form a polymer film on the surface of the mortar particles, and there are pores on part of the surface of the film, and the pore surface is filled with the mortar,

Redispersible polymer powder(RDP) and other inorganic adhesives (such as cement, slaked lime, gypsum, clay, etc.) and various aggregates, fillers and other additives (such as hydroxypropyl methyl cellulose, starch ether, cellulose fiber, etc.) After physical mixing, dry-mix mortar is made.

RDP has extremely outstanding bonding strength, improve the flexibility of mortar and have a long opening time, give the mortar excellent alkaline resistance, improve the mortar adhesion, flexural strength, water resistance, plasticity, wear resistance and construction, in the flexible anti-crack mortar more has a strong flexibility.

Test method for properties and viscosity of redispersible polymer powder RDP ,Worldwide are widely used to disperse polymer powder RDP with vinyl acetate and ethylene copolymerized emulsion powder, ethylene and vinyl chloride and lauric acid vinyl ester ternary copolymer powder,

One of the most important applications of polymer-modified cement mortar is the application of thin-layer construction methods to tile. The specific process is as follows: the dry powder adhesive with the package is mixed with water on the spot,

Redispersible polymer powder produced by spray-drying special water-based emulsion, mostly based on vinyl acetate-ethylene (VAE), and then obtained a free flowing organic polymer powder. It can re-disperse in water, and form a film after water evaporation by coalescence of individual polymer particles.