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2. 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 ...

3. These Are the *Only* Face Primers That Keep My Makeup ... - AOL

   www.aol.com/only-face-primers-keep-makeup...

   Silicone-based primers: Formulated with silicone ingredients (i.e., dimethicone, polysilicone, trisiloxane, cyclopentasiloxane, etc.) these primers act essentially as a lightweight film over your ...

4. Silicone rubber - Wikipedia

   en.wikipedia.org/wiki/Silicone_rubber

   Silicone rubber is an elastomer (rubber-like material) composed of silicone—itself a polymer—containing silicon together with carbon, hydrogen, and oxygen. Silicone rubbers are widely used in industry, and there are multiple formulations.

5. Primer (cosmetics) - Wikipedia

   en.wikipedia.org/wiki/Primer_(cosmetics)

   Unlike regular makeup primers, the main purpose of a mattifying primer is to provide a matte finish that can last for hours, making it particularly useful for people with oily or combination skin. Excess oil on the skin can cause makeup to slide off or break down throughout the day, but by creating a matte base, mattifying primer helps to keep ...

6. Sealant - Wikipedia

   en.wikipedia.org/wiki/Sealant

   Sealant is a substance used to block the passage of fluids through openings in materials, [1] a type of mechanical seal. In building construction sealant is sometimes synonymous with caulk (especially if acrylic latex or polyurethane based) [2] and also serve the purposes of blocking dust, sound and heat transmission. Sealants may be weak or ...

7. 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.

8. Chemistry of pressure-sensitive adhesives - Wikipedia

   en.wikipedia.org/wiki/Chemistry_of_pressure...

   A primer layer can also be used for this purpose. Some backings need to be sealed or otherwise treated before adhesive coating. [6] This is especially important when the introduction of new materials into the adhesive can compromise the adhesive’s performance.

9. RTV silicone - Wikipedia

   en.wikipedia.org/wiki/RTV_silicone

   RTV silicone rubber can be used to cast materials including wax, gypsum, low-melt alloys/metals, and urethane, epoxy, or polyester resins (without using a release agent). A more recent innovation is the ability to 3D print RTV silicones.