An elastomer's a polymer with the property of elasticity. The term, which's derived from elastic polymer,'s often used interchangeably with the term rubber, and's preferred when referring to vulcanisates. Each of the monomers which link to form the polymer's usually made of carbon, hydrogen, oxygen and/or silicon. Elastomers are amorphous polymers existing above their glass transition temperature, so that considerable segmental motion's possible. At ambient temperatures rubbers are thus relative… (More on Elastomer)