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2. Vacuum grease - Wikipedia

   en.wikipedia.org/wiki/Vacuum_grease

   As well as a lubricant, vacuum grease is also used as a sealant for joints in vacuum systems. This is usually limited to soft vacuums, as ultra high vacuum or high temperatures may give problems with the grease outgassing. Grease is most commonly used with glass vacuum systems. [1] All metal systems usually use knife-edge seals in soft metals ...

3. Krytox - Wikipedia

   en.wikipedia.org/wiki/Krytox

   In addition to PFPE, Krytox grease also contains telomers of PTFE and in fact was designed as a liquid or grease form of PTFE. It is thermally stable, nonflammable (even in liquid oxygen), and insoluble in water, acids, bases, and most organic solvents. It is nonvolatile and useful over a broad temperature range of −75 to 350 °C (−100 to ...

4. Materials for use in vacuum - Wikipedia

   en.wikipedia.org/wiki/Materials_for_use_in_vacuum

   Austenitic stainless steels are the most common choice for high vacuum and ultra-high vacuum systems. Not all alloys are suitable; e.g. the free-machining 303 steel contains sulfur, which tends to outgas. Alloys with good weldability under argon arc welding are usually chosen. 304 stainless steel is a common choice of a stainless steel.

5. Walmart is having a major sale on Dyson vacuums - AOL

   www.aol.com/lifestyle/theres-a-major-dyson...

   With its high-powered technology, ... Looking for more great Walmart deals? Check these out: Best vacuum deals. Shark Navigator Lift-Away ADV Upright Vacuum. $99 $199 Save $100. See at Walmart.

6. Grease (lubricant) - Wikipedia

   en.wikipedia.org/wiki/Grease_(lubricant)

   The grease helps to prevent joints from "freezing", as well as ensuring high vacuum systems are properly sealed. Apiezon or similar hydrocarbon based greases are the cheapest, and most suitable for high vacuum applications. However, they dissolve in many organic solvents.

7. This bestselling 'lightweight but sturdy' Shark vacuum is ...

   www.aol.com/lifestyle/this-bestselling...

   Walmart's amazing sale on the Shark Navigator has the vacuum marked down to just $97, which means it's over half off its usual price — we haven't seen this fan-favorite cleaner this low in ...