✅ WATER REPELLENT TECHNOLOGY FOR PLASTIC SURFACES: Rain-X Plastic Water Repellent is designed to bring the trusted water-repellent properties of Rain-X to a wide range of plastic materials. This specialised formula bonds to surfaces such as Lexan, Plexiglas, Perspex, Lucite, acrylic, and polycarbonate, creating an invisible barrier that causes water to bead up and roll away quickly.