a silicone containing automotive vinyl , rubber and leather protectant in the form of a solvent solution , a water dilutable emulsion , or as a &# 34 ; neat &# 34 ; fluid . the silicone is an alkylaryl silicone copolymer having long chain hydrocarbon units and aromatic units . the protectant formulation exhibits greater substantivity to organic surfaces such as vinyl , rubber and leather , and possesses enhanced penetration of organic surfaces to which it is applied resulting in an improvement in protection of such surfaces against the deterioration caused by ultraviolet radiation . treated surfaces are also rendered paintable .