Click to enlargeLDS 91-S 

LDS 91-S Compare To:
• Dow Corning 111
• DC Hi Vac
• G-661

Dow Corning High Vacuum Grease Equivalent

For Use With Teflon Tape:
Use 91-S Sparingly, Only "Shine" The Teflon Tape

SPECIFICATIONS: LDS 91-S Silicone Vacuum Grease is a translucent white, odorless equivalent to Dow Corning High Vacuum Grease(R) . LDS 91-S is used in vacuum systems, electronic systems, control valves, ceramic plug cooks, on hinges where high low temperatures are critical and wherever O-rings are used.

LDS 91-S Series High Vacuum Silicone Grease maintains consistency from -30oF to 550oF. It can be effectively used at pressures as low as 10-7.

2 oz Jar Silicone Grease

4 oz Jar Silicone Grease

5.3 oz Tube Silicone Grease

1 lb. Jar Silicone Grease


Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or

LDS Vacuum Products is a 100% woman owned company and
certified Woman Owned Small Business (WOSB)
The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.
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