Silicon RubberSilicon [sic] is commonly used misspelling for Silicone. Although Silicon is a constituent in Silicone, it is in fact the principal component of most semiconductor devices, most importantly integrated circuits or microchips.
Silicone is often mistakenly referred to as "silicon." Although silicones contain silicon atoms, they are not made up exclusively of silicon, and have completely different physical characteristics from elemental silicon.
The word "silicone" is derived from ketone. Dimethylsilicone and dimethyl ketone (a.k.a. acetone) have analogous formulas, thus it was surmised (incorrectly) that they have analogous structures. The same terminology is used for compounds such as silane (an analogue of methane).
A true silicone group with a double bond between oxygen and silicon (see figure) does not exist in nature; chemists find that the silicon atom forms a single bond with each of two oxygen atoms, rather than a double bond to a single atom. Polysiloxanes are called "silicone" due to early mistaken assumptions about their structure.
Silicone Rubber can withstand high temperatures without decomposing, has a wide operating temperature range, extremely good resistance to weathering, excellent electrical properties, good resistance to oils, easily colored, low level of toxicity. But it is not a very strong material, has poor resistance to fuels and is expensive when compared to other rubbers. Silicone Rubber is derived from the siloxane Polymer polydimethyl siloxane. This Polymer is an amorphous flowable substance which does not have useful properties. By adding a catalyst which causes the siloxane Polymer to cross-link, and adding a silica filler for strength, the Elastomer silicone is formed. The processes by which siloxane is converted to silicone are known as vulcanization or curing. There are two commercially significant curing processes, peroxide-curing and platinum-curing.
Some of the most useful properties of silicone include:
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Glossary of Extrusion Materials & Terms
Dioctyl phthalate-free PVC
Peristaltic Pump Tubing
Peroxide Cured Silicone
Platinum Cured Silicone