https://www.jfchemtech.com/products/redispersible-polymer-powder-rdp-jf1.html
Ethylene-vinyl acetate copolymer redispersible powder, also known as VAE, is a white, free-flowing powder created by spray-drying an EVA emulsion. This powder readily re-emulsifies and disperses in water, forming a stable emulsion. While retaining the excellent properties of the original EVA emulsion, its unique powder form offers the added benefits of convenience and reliability in handling and storage.