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Reinforced thermoplastics beefed up with flame retardants, carbon fiber

Carbon reinforcement and flame-retardant qualities have been added to the Celstran portfolio of long-fiber-reinforced thermoplastics (LFRTP) in two new resin lines from Ticona. LFRTPs are polymers that combine long fibers of glass, aramid, carbon, or stainless steel with thermoplastic resins. The reinforcing fibers are 9 to 12 mm in length, compared to .5 to 1.0 mm typically found in other fiber-reinforced thermoplastic materials. These longer fibers provide several property enhancements: higher impact strength, improved modulus at elevated temperatures, and better dimensional stability.

Targets for the carbon-fiber resin include internal components and housings for computers and printers, small appliances, sporting goods, and structural chassis, such as bicycle, motorcycle, and automobile components. One application of note is a state-of-the-art bicycle wheel that requires strength, rigidity, and dimensional stability in extreme environments (pictured). Standard carbon-fiber Celstran materials are available in fiber lengths from 6 to 11 mm, with fiber contents ranging from 20 to 50 percent.

Ticona?s second development incorporates flame-retardant additives directly into long-fiber-reinforced materials. Uses include electronic and electrical housings, including computer cases, cellular phones, and laptop computers, where stiffness, thin-wall designs, light weight, and UL flame retardancy is important.

Depending on composition, prices range from $3.25/lb for FR glass nylon to $12.00/lb for the carbon-reinforced grade.

Ticona Celstran Inc.
Winona, MN
Phone: (507) 457-4053
Fax: (507) 454-4150
www.celstran.com

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