Airflex 405 vinyl acetate-ethylene copolymer Air Products Ethylene copolymers - emulsions (VAE, EVC) >> Vinyl Acetate Ethylene copolymers, VAE Surfactant protected VAE copolymer emulsion. Serves as a base for flexible film adhesives and as a compounding agent with other adhesive emulsions. Provides films that are water resistant, water clear and high in gloss. Accepts high filler loading. Vinyl acetate-ethylene copolymer emulsion. (polyvinyl alcohol protected emulsion). Serves as a base for flexible film adhesives and as a compounding agent with other adhesive emulsions. Provides films that are water resistant, water clear and high in gloss.