MATERIALS: Continuous-Fiber Reinforced Thermoplastic Composite Sheets

Flame-retardant PC composite sheets for consumer electronics.

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The Tepex line of continuous-fiber thermoplastic composite sheets from the Bond Laminates subsidiary of Lanxess, Pittsburgh, has been expanded to include halogen-free flame-retardant versions with a PC matrix. They are said to be especially suitable for large, thin-walled, and extremely stiff housing parts such as for notebook computers, tablets, and TV sets. The materials debuted at NPE2015.

The new Tepex FR grades meet UL94 V-0 at thicknesses between 0.4 and 2 mm. Tepex FR is supplied mainly in thicknesses between 0.5 and 1.2 mm. Variations are available with glass, carbon or both fibers at volume content between 45% and 55%. Flexural modulus of the carbon-reinforced grades lies between 40 and 54 GPa, depending on the fiber content, and the modulus of glass-reinforced grades is 20 to 24 GPa.