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Wood-plastic composite. Wood–plastic composites (WPCs) are composite materials made of wood fiber/wood flour and thermoplastic(s) such as polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), or polylactic acid (PLA). In addition to wood fiber and plastic, WPCs can also contain other ligno-cellulosic and/or inorganic filler materials.
With a high strength-to-density ratio, HDPE is used in the production of plastic bottles, corrosion-resistant piping, geomembranes and plastic lumber. HDPE is commonly recycled, and has the number "2" as its resin identification code. In 2008, the global HDPE market reached a volume of more than 30 million tons. [2]
Manufacturers claim plastic lumber is more environmentally-friendly and requires less maintenance than wood/plastic composites or rot-resistant wood. [2] Commercially available polyvinyl chloride fiberglass composite lumber sold for decking meets stringent fire code standards. [3] Plastic lumber can displace wood timber (as harvested by forestry).
Although composite lumber may resist these marring effects better than other materials, it will still show signs of wear over time. Composite lumber often has a plastic-like or synthetic appearance. Although manufacturers do mold the product with a wood grain or brush stroke pattern, some consumers simply do not like the artificial sheen. [3] [4]
Trex Company, Inc. is a manufacturer of wood-alternative composite decking, railing, and other outdoor items made from recycled materials. [6] Headquartered in Winchester, Virginia, Trex is the world's largest manufacturer of wood-alternative decking and railing. [7] Trex composite products are made of 95% recycled materials.
Although the creation of LVL is often proprietary and thus its make-up is largely dependent on individual manufacturers, in general one cubic meter of North American lumber is composed of 97.54% wood, 2.41% of phenol formaldehyde resin, 0.02% of phenol-resorcinol-formaldehyde resin, and 0.03% fillers. [1] [7]
Behr Paint Company (stylized as BEHR) is a supplier of architectural paint and exterior wood care products to the American and Canadian do-it-yourself markets. BEHR manufactures interior and exterior house paints, decorative finishes, primers, stains and surface preparation products sold exclusively at The Home Depot . [ 2 ]
Interfor Corporation is one of the largest lumber producers in the world. [3] The company's sawmilling operations have a combined manufacturing capacity of over 5.2 billion board feet of lumber with sales to North America, Asia-Pacific and Europe. Interfor is based in Vancouver, BC and employs approximately 5200 people.