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Poly ethylene vinyl acetate powder (PEVA) CAS NO. 24937-78-8
Vinnate庐 Polyethylene Vinyl Acetate Powder (PEVA) RDP (Redispersible Latex Powder). This is an aqueous polymer dispersion that has been spray-dried. This process is reversible. Due to repeated contact with water, the system formed by the redispersible polymer powder has very similar performance to the initial dispersion. There is evidence that, like cellulose ethers, redispersible latex powders can affect the performance of building mortars for a long time. The presence of polymer binders usually has positive effects such as water retention, adhesion, increased bending strength, decreased permeability and improved processability. An exemplary negative effect of RDP additives is a decrease in compressive strength, possibly due to an increase in the porosity of the mortar.
This study describes and supplements existing knowledge of the effect of redispersible polymer powders on the setting time of cement mortars. Two selected examples of commercial polymer powders were measured using a hyperdispersion device.Redispersible Polymer Powder for sale
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