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Fluids & Greases > Vacuum Greases

Dow Corning DC 976 High Vacuum Greases

Low volatility over a wide temperature range.


  • Lubricates synthetic and silicone rubber gaskets for high-temperature rough-vacuum grease uses
  • Unaffected by vegetable oils, mineral oils, and common gases, and resists most aqueous solutions of inorganic salts
  • Used in chemical plants to lubricate plug valves, flow meter bearings, ceramic plug cocks, water treatment equipment, and fire extinguisher valves

Specifications Table

Vapor Pressure (Torr)@150°C: 1.2 x 10-5Torr (Degassed) @200°C: 7 x 10-4Torr (Degassed)
Specific Gravity @25°C: 1.0 (g/cc)
ColorLight Gray
Melting PointNone
Bleed after 24 Hours@199°C: 0.5% max.
Evaporation after 24 Hours@199°C: 2.0% max.
Solidification Point-40°C

Ordering Table

All dimensions listed below, unless otherwise stated, are in inches.

Description Size PartNo Price Add To Cart
DC 976 
 5.3 oz. 
DC976VF $32.00
DC 976 
 8 lbs. 
DC976VM $498.00

It is strongly recommend using all fluids and greases at the time of receipt, however when storage is necessary, rotate older stock into use first and observe the recommended parameters listed below.

Silicone Oils & Grease

Shelf life is minimum 5 years when material is kept in original container and stored at normal, ambient temperatures out of direct sunlight.

When stored under normal warehouse conditions, Dow Corning High Vacuum Grease has a shelf life of 60 months from date of manufacture, which is marked on each tube.

Safety Data Sheets

SDS icon Download SDS: PDF for DC976VF
SDS icon

Contact KJLC For the SDS for this product

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