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  2. Silicone grease - Wikipedia

    en.wikipedia.org/wiki/Silicone_grease

    Silicone grease is widely used as a temporary sealant and a lubricant for interconnecting ground glass joints, as is typically used in laboratory glassware.Although silicones are normally assumed to be chemically inert, several historically significant compounds have resulted from unintended reactions with silicones.

  3. Silicone - Wikipedia

    en.wikipedia.org/wiki/Silicone

    Silicone caulk can be used as a basic sealant against water and air penetration. In organosilicon and polymer chemistry, a silicone or polysiloxane is a polymer composed of repeating units of siloxane (−O−R 2 Si−O−SiR 2 −, where R = organic group). They are typically colorless oils or rubber-like substances. Silicones are used in ...

  4. Grease (lubricant) - Wikipedia

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

    Two typical examples: Left - Krytox, a fluoroether-based grease; Right - a silicone-based high vacuum grease by Dow Corning. Apiezon, silicone-based, and fluoroether-based greases are all used commonly in laboratories for lubricating stopcocks and ground glass joints. The grease helps to prevent joints from "freezing", as well as ensuring high ...

  5. 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 ...

  6. MAHA influencer demands stricter safety standards for US ...

    www.aol.com/news/maha-influencer-demands...

    Emily Austin, the New York City-based owner of clean beauty brand People's Beauty, emphasized the need for the removal of toxins from cosmetics as part of RFK Jr.'s MAHA initiative.

  7. Coast Guard looking for father and son missing at sea off Maine

    www.aol.com/coast-guard-looking-father-son...

    Departed Cobscook Bay State Park, ME, en route to Eastern Harbor, South Addison, ME. Last contact: approx. 1130 on 18JAN. Anyone with info. Please call (833) 449-2407.