silicone rubber


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silicone rubber 

A polymeric elastomeric, transparent material that is used in the manufacture of silicone rubber contact lenses. It has very high oxygen permeability but it is also very hydrophobic (wetting angle greater than 90º). The surfaces must be specially treated to render them wettable. A silicone component is used in silicone hydrogel and gas permeable contact lenses. Syn. poly(dimethyl siloxane). See contact angle; index of refraction; silicone hydrogel lens; modulus of elasticity.
References in periodicals archive ?
In the cured state, the actual hardness of the non-post cured silicone rubber deviates by no more than 3 points.
Applications of silicone rubber are not new in precision engineering and medical domain.
The Silopren LSR 27x9 liquid silicone rubber series can adhere to many substrates, such as PC (polycarbonate), PBT and polyester without the need for surface treatment and without adhering to metal molds.
5 to 2 percent of the pigment paste is required to provide the silicone rubber with a fluorescent marking.
Manufactures silicone rubber sheet, rollers and dies.
GE Bayer Silicones, a joint venture of GE's Advanced Materials business, has launched a new grade of liquid silicone rubber (LSR) that promises excellent high-temperature performance for automotive engine parts.
The top layer is a sheet of silicone rubber that has been treated to conduct current and is oriented so that its lines are at right angles to those on the circuit board.
Specialty synthetic rubber, a type of rubber with special features for special purposes, mainly includes halogenated synthetic rubber, silicone rubber, rare earth rubber, acrylic rubber, fluororubber, polyurethane rubber and polysulfide rubber.
Silpuran 6760/50 self-adhesive liquid silicone rubber has a low coefficient of friction.