Liquid Silicone Dressings – These penetrating-type silicones form a flexible protective shield on rubber. Liquid silicone seals small openings with a film to prevent penetration of moisture and dirt. Most silicone dressings leave a never-dry gloss film. There are many myths regarding silicone, specifically the negative long-term effects of silicone on rubber and vinyl. The fact is, silicone is an inert material. The benefit of silicone is its ability to easily penetrate the tire’s surface and not evaporate. Some silicone-based dressings contain petroleum distillates as a cleaning agent. Petroleum distillates are harmful to rubber and vinyl, and will cause rubber and vinyl to crack. If you decide to use a silicone tire dressing, make sure it does not contain a cleaner. The only true negative property of silicone is the difficulty of adding UV protection.
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