Knowra Wood–plastic composite Wood–plastic composite A material made by combining wood fibers or flour with a thermoplastic polymer, often alongside additives. It combines wood’s appearance and stiffness with polymer-based shaping and moisture resistance.
Wood flour : Finely ground wood particles used as a filler in composite materials and other products. It is a common wood fraction dispersed through the polymer matrix.
Wood fiber : Elongated cells or bundles of cells derived from wood and used as reinforcement or filler. Its shape and distribution affect stiffness, strength, and surface texture.
Composite decking : Deck boards made from composite materials, commonly wood particles bound in a polymer matrix. It is one of the most visible uses of wood–plastic composite.
Natural wood : The hard, fibrous material that forms the trunks and branches of trees. Unlike solid wood, the composite can be molded but does not retain wood’s continuous grain structure.
Thermoplastic : A polymer that softens when heated and hardens when cooled, usually without a permanent chemical change. Its reversible softening lets wood particles be compounded and shaped into profiles.
Polyethylene : A widely used thermoplastic polymer made by polymerizing ethylene. It is a common matrix polymer in decking-grade wood–plastic composites.
Fencing : Structures made of posts and panels that enclose or divide outdoor areas. Wood–plastic composites can be formed into outdoor fence components.
Fiber-reinforced polymer : A polymer composite strengthened with fibers, commonly glass, carbon, or aramid. It usually relies on engineered reinforcement rather than wood particles as its dispersed phase.
Polymer matrix : The continuous polymer phase that binds and surrounds reinforcing or filler materials in a composite. It holds wood particles together and governs much of the composite’s water resistance.
Polypropylene : A thermoplastic polymer made from propylene, used in products ranging from packaging to automotive parts. It offers a matrix option with different stiffness and heat performance from polyethylene.
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