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Kicker Keychain

Yellow silicone keychain with KICKER logo and Livin Loud'.

Silicones are inert, synthetic compounds with a variety of forms and uses. Typically heat-resistant and rubber-like, they are used in sealants, adhesives, lubricants, medical applications, cooking utensils, and insulation.

Silicones are polymers that include silicon together with carbon, hydrogen, oxygen, and sometimes other elements. Some common forms include silicone oil, silicone grease, silicone rubber, silicone resin, and silicone caulk.

Silicones exhibit many useful characteristics, including:

  • Low thermal conductivity
  • Low chemical reactivity
  • Low toxicity
  • Thermal stability (constancy of properties over a wide temperature range of -100 to 250 °C).
  • The ability to repel water and form watertight seals.
  • Does not stick to many substrates, but adheres very well to others, e.g. glass.
  • Does not support microbiological growth.
  • Resistance to oxygen, ozone, and ultraviolet (UV) light. This property has led to widespread use of silicones in the construction industry (e.g. coatings, fire protection, glazing seals) and the automotive industry (external gaskets, external trim).
  • Electrical insulation properties. Because silicone can be formulated to be electrically insulative or conductive, it is suitable for a wide range of electrical applications.
  • They have high gas permeability: at room temperature (25 °C), the permeability of silicone rubber for such gases as oxygen is approximately 400 times[citation needed] that of butyl rubber, making silicone useful for medical applications in which increased aeration is desired. Consequently, silicone rubbers cannot be used where gas-tight seals are necessary.

 

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