Wood Plastic Composite (WPC) appears as an opaque material with a matte to semi-gloss finish. They display wood-like texture and color variations from light tan to deep brown depending on wood content and colorants. This hybrid material combines wood fibers or flour (typically 30-70%) with thermoplastic polymers (commonly PE, PP, or PVC), creating a composite that merges the aesthetic and tactile qualities of wood with the durability and moisture resistance of plastic. Key features include good dimensional stability, resistance to rot and insects, and reduced maintenance requirements compared to natural wood. WPCs find primary applications in outdoor decking, railing systems, siding, indoor flooring, automotive interior panels, and furniture components.
The material competes with pure plastics and newer natural fiber composites using bamboo or rice husk. WPC varieties are distinguished by their polymer matrix (PE-based offering better moisture resistance, PP-based providing higher stiffness, PVC-based delivering better flame resistance), wood content percentage (higher wood content giving more wood-like properties but increased moisture sensitivity), and manufacturing process (extrusion vs. compression molding). Recent innovations include foamed or capstock WPCs that reduce weight, antimicrobial formulations, and fire-retardant versions.
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Terratek® WC200145 by Green Dot Bioplastics is a sustainable wood plastic composite, proprietary blend of wood flour and bio-based polyethylene. It is processed by injection molding. It contains 30% wood flour and with Braskem Green PE this formulation is fully bio-based. It blends fine wood particles with renewable, biodegradable, reclaimed, recycled or virgin plastic materials to make firm, smooth pellets. It reduces energy use since it melts at lower temperatures. This grade offers uniform pellet size for even melting, low moisture content, low processing temperature, weather stability, long life and less maintenance. It provides no splinter, more natural look & feel and ease of processing. It is compatible with existing machinery. Terratek® WC200145 by Green Dot Bioplastics is used in children’s & dogs toys, automotive interiors, patio furniture, lawn & garden edging, fencing materials, outdoor decking materials and siding.
Terratek® WC100300 by Green Dot Bioplastics is a combination of pine wood and polypropylene (PP) grade. It is reclaimed from wood-working industries, such as window and door factories, creating an upcycled waste stream. It has 30% by weight biomass content.
Terratek® WC200180 by Green Dot Bioplastics is a combination of maple wood and (PA6) nylon grade. This sustainable wood plastic composite blends fine wood particles with renewable, biodegradable, reclaimed, recycled or virgin plastic materials to make firm, smooth pellets. It reduces energy use since it melts at lower temperatures. This grade offers uniform pellet size for even melting, low moisture content, low processing temperature, weather stability, long life and less maintenance. It provides no splinter, more natural look & feel and ease of processing. It is compatible with existing machinery. Terratek® WC200180 is used in children’s & dogs toys, automotive interiors, patio furniture, lawn & garden edging, fencing materials, outdoor decking materials and siding. It is suitable for processing by injection molding. It is reclaimed from woodworking industries, such as window and door factories, creating an upcycled waste stream. It has 17% by weight biomass content.
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