Dow Corning 111D is a general purpose O-ring and valve lubricant. It provides a noncuring moisture barrier, high dielectric strength, moisture and ozone resistance, good thermal, oxidation and chemical stability and is suitable for use with potable water under NSF 61. It is a heavy-consistency, translucent white, grease-like silicone paste.
Dow 111D can be used for lubricating rubber and plastic o-rings, plug, sanitary, gate, ball, butterfly and automated valves, pump packings, sealing vacuum and pressure systems (especially equipment subjected to washing and harsh environments) and as a damping medium for dash pots in electrical equipment.