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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.
In a fire, PVC can form hydrogen chloride fumes; the chlorine serves to scavenge free radicals, making PVC-coated wires fire retardant. While hydrogen chloride fumes can also pose a health hazard in their own right, it dissolves in moisture and breaks down onto surfaces, particularly in areas where the air is cool enough to breathe, so would ...
After the war, PVC was not a popular choice of materials in the marine industry due to its density. In the 1970s, the need for a strong, moisture-resistant material led to plastic manufactures working with PVC to make it lighter. This led to the creation of PVC foamboard, by combining PVC with polyurea at the molecular level. [1]
Vinyl polymers are subject of several structural variations, which greatly expands the range of polymers and their applications. With the exception of polyethylene, vinyl polymers can arise from head-to-tail linking of monomers, head-to-head combined with tail-to-tail, or a mixture of those two patterns. Additionally the substituted carbon center in such polymers is stereogenic (a "chiral center")
A "speed base" makes use of a base "cap moulding" set on top of a plain 1" thick board, however there are hundreds of baseboard profiles. Baton: See Torus; Batten or board and batten: Symmetrical moulding that is placed across a joint where two parallel panels or boards meet; Bead moulding: Narrow, half-round convex moulding, when repeated ...
A veranda (also spelled verandah in Australian and New Zealand English) is a roofed, open-air hallway or porch, attached to the outside of a building. [ 1 ] [ 2 ] A veranda is often partly enclosed by a railing and frequently extends across the front and sides of the structure.
It is less adhesive than PVC, but this can be remedied by adding linear low-density polyethylene (LLDPE), which also increases the film's tensile strength. [ 5 ] In the US and Japan, plastic wrap is sometimes produced using polyvinylidene chloride (PVdC), though some brands, such as Saran wrap, have switched to other formulations due to ...
Shed owners can customise wooden sheds to match the features (e.g., siding, trim, etc.) of the main house. A number of decorative options can be added to sheds, such as dormers, shutters, flower boxes, finials, and weathervanes. As well, practical options can be added such as benches, ramps, ventilation systems (e.g., in cases where a swimming ...