Dow Corning 111 Lubricant Box of 12 Excellent Water Resistance. FDA (Food and Drug Administration) 21 CFR 175.300; NSF (National Sanitation Foundation) Standard 51 & 61. Rubber and plastic O-rings, gaskets and seals. Sealant for vacuum and pressure systems. Lubrication for control and pressure plug valves, water softener and faucet valves. Sealant for outdoor equipment (also shipboard) subject to washing and harsh environmental exposure: meters, electrical service entrance and underground connections. Used as an anti-stick and sealant for transformer gasket and equipment enclosures. It prevents gaskets from sticking to metal and resists weathering and water washout.