This it the highest percentage PTFE available anywhere
Adhesive Lined Heat Shrink Tubing (ALT) - 3/4" x 6" - 4-Pack - Black
Long lasting carnauba formula protects fiberglass finishes even in tropical climates
Marine grade silicon blocked
Restores lost color and luster
OATLIFE LIFESEAL® SEALANT CARTRIDGE - BLACK-1171 Fun Accessories This it the highest percentageLifeSeal Sealant Cartridge Black A unique combination of marine silicone and polyurethane, formulated especially for fiberglass. LifeSeal offers a fast curing, low odor, high adhesion, non sagging, non corrosive, non yellowing formula. It provides a durable permanent watertight seal for joints subject to structural movement. May be used above and below the waterline. Use for sealing decks to hulls, thru hull fittings, vinyl ports, sealing glazing