Carbon fiber reinforced polymer as epoxy, but other thermoset or thermoplastic polymers, such as polyester, vinyl ester, or nylon, are sometimes used. The composite material may contain aramid (e.g. Kevlar, Twaron), ultra-high-molecular-weight polyethylene (UHMWPE), aluminium, or glass fibers in addition to carbon fibers. The properties of the final CFRP product can also be affected by the type of additives introduced to the binding matrix (resin). The most common additive is silica, but other additives such as rubber and carbon nanotubes can be used. The material is also referred to as "graphite-reinforced polymer" or "graphite fiber-reinforced polymer" ("GFRP" is less common, as it clashes with
Gramophone Company Gramophone Company The Gramophone Company, based in the United Kingdom and founded on behalf of Emil Berliner, was one of the early recording companies, the parent organisation for the "His Master's Voice (HMV)" label, and the European affiliate of the American Victor Talking Machine Company. Although the company merged with the Columbia Graphophone Company in 1931 to form Electric and Musical Industries Limited (EMI), its name "The Gramophone Company Limited" continued in the UK into the 1970s. The Gramophone Company was founded in 1898 by William Barry Owen and Trevor Williams in London, England. Owen was acting as agent for