Wood and bio-fiber plastic composites have developed into a material that is firmly established in the marketplace. A much discussed topic with wood-plastic composites is the need to improve their impact resistance. Water absorption and the resulting swelling are also of concern. The controlled application of additives leads to a decrease in water absorption and a decrease in some mechanical values although this does not influence impact resistance. Through the addition of organic fibers, an increase in impact resistance can be realized. The tests described in this paper include the application of Abaca and bamboo fibers as well as synthetic fibers such as PET and PAN. The influences of additives and the application of supplementary reinforcement fibers are also discussed. Resulting value improvements are demonstrated.
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