DuPont Molykote (formerly Dow) High-Vacuum Grease is a one component, non-melting silicone oil that is used for sealing and lubricating O-rings, chemical processing equipment, control valves, water treating equipment, pressure systems, plug valves, and high temperature applications. It is a stiff compound with low volatility, and resists chemicals, water, mineral oils, common gases, and organic compounds.

Key Properties

NLGI Grade 3-4, translucent white, used primarily in sealing vacuum and pressure systems.

Applications

Lubrication for control and pressure plug valves, water softener and faucet valves; Sealant for vacuum and pressure systems; Sealant for outdoor equipment (also shipboard) subject to washing and harsh environmental exposure: meters, electrical service entrance and underground connections; Chemical barrier coating; Rubber and plastic O-rings, gaskets and seals.

Features & Benefits

Good resistance to most chemicals; Wide service temperature range; Low vapor pressure; Low volatility; Excellent water resistance. Meets FDA 21 CFR 175.300.

Product Details

Product Type:	Compound
Chemistry:	Silicone
NLGI Grade:	3-4
Thickener:	Silica
Cure Temp:	NA°C
High Temp:	204°C
Low Temp:	-40°C
Color:	Translucent White
Hazmat:	No

Alternate PN#s: 1597418, DC976V, DOW CORNING 976V

Honeywell PN/Spec #: PCS5016 Rev. A

All Aerospace Greases

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MOLYKOTE® HIGH VACUUM GREASE