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The carbon-fiber production plant was sold off to form Bristol Composite Materials Engineering Ltd [10] (often referred to as Bristol Composites). In the late 1960s, the Japanese took the lead in manufacturing PAN-based carbon fibers.
The gray "Reinforced Carbon–Carbon (RCC)" panels on the space shuttle's wing leading edges and nose cone cost NASA $100,000/sq ft to produce, [clarification needed] although much of this cost was a result of the advanced geometry and research costs associated with the panels. This stage can also include manufacturing of the finished product. [5]
Controversially, in 2006, cricket bats with a thin carbon-fiber layer on the back were introduced and used in competitive matches by high-profile players including Ricky Ponting and Michael Hussey. The carbon fiber was claimed to merely increase the durability of the bats, but it was banned from all first-class matches by the ICC in 2007. [37]
However, the low production volume of pitch-based carbon fibers, the raw material cost, and the difficulty of production mean that the price is high compared to PAN-based carbon fibers. Pitch-based carbon fibers could be used within the automotive and sports industries, but the higher strength and lower cost of PAN-based carbon fibers makes ...
[citation needed] For producing carbon fiber higher molecular weight is desired. [15] In the production of carbon fibers containing 600 tex (6k) PAN tow, the linear density of filaments is 0.12 tex and the filament diameter is 11.6 μm which produces a carbon fiber that has the filament strength of 417 kgf/mm2 and binder content of 38.6%.
Toray Industries, Inc. (東レ株式会社, Tōre Kabushiki-gaisha) is a multinational corporation headquartered in Japan that specializes in industrial products centered on technologies in organic synthetic chemistry, polymer chemistry, and biochemistry. Its founding business areas were fibers and textiles, as well as plastics and chemicals.