Insta Seal with PTFE is a long lasting, extremely durable synthetic sealant designed for new/like new surfaces in the automotive and RV industry. The PTFE leaves finishes slick to the touch, and with regular maintanence, can last the life of a vehicle with ease. It works a bit different than new style products by sheeting water, not beading. Anti static technology repels dirt and dust. For more information on PTFE, please research the chemical compound via Google.