Glass mat thermoplastic product

B - Operations – Transporting – 32 – B

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B32B 5/28 (2006.01) B29C 70/16 (2006.01) B29C 70/18 (2006.01) B29C 70/50 (2006.01) B32B 17/04 (2006.01) B32B 27/04 (2006.01)

Patent

CA 2239065

A composite sheet (48) is made of a moldable resin and reinforcement fibers, where the resin is a thermo-plastic resin, thermosetting resin or mixture thereof, and the reinforcement fibers are fibers centrifuged from a rotary process fiberizer, where the composite sheet has at least 5 distinct layers of reinforcement fibers per mm of thickness. The composite sheet has at least 10 distinct layers of reinforcement fibers, and preferably at least 30 distinct layers. At least 85 percent of the reinforcement fibers are monofilaments, and the reinforcement fibers are wool glass fibers.

Feuille composite (48) consituée d'une résine moulable et de fibres de renforcement. La résine est une résine thermoplastique, une résine thermodurcissable ou un mélange des deux et les fibres de renforcement sont des fibres centrifugées par un défibreur à processus rotatif, ladite feuille composite comprenant au moins 5 couches distinctes de fibres de renforcement par millimètre d'épaisseur. La feuille composite compte au moins dix couches distinctes de fibres de renforcement et de préférence au moins 30 couches distinctes. Au moins 85 % des fibres de renforcement sont des monofilaments et les fibres de renforcement sont des fibres de laine de verre.

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