Protac Cast Lam is a 1.2 mil (30μ) gloss or matte clear cast PVC laminating film, coated on one side with a permanent, solvent-based acrylic adhesive that is protected by a clay coated one side siliconised white Kraft paper. Protac Cast Lam has a high cohesive strength and good water resistance, ensuring a strong, reliable bond to multiple substrates.