Bostik Fast Set 940 FS Adhesive/Sealant is a one component, moisture curing, silyl modified polymer that is used for marine applications either above or below water. It is typically used for bonding and sealing porous and nonporous materials such as glass, PVC, wood, aluminum, steel, and brass. It offers flexibility, fast-skinning, and resistance to UV exposure. 290 mL Cartridge.