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oriented strand board
Oriented strand board (OSB), also known as sterling board, sterling OSB, aspenite, and smartply in British English, is an engineered wood particle board formed by adding adhesives and then compressing layers of wood strands (flakes) in specific orientations. It was invented by Armin Elmendorf, California US in 1963 (OSB Patent ). OSB may have a rough and variegated surface with the individual strips of around 2.5 × 15 cm (1" × 6"), lying unevenly across each other and comes in a variety of types and thicknesses.
==Uses==
OSB is a material with high mechanical properties that make it particularly suitable for load-bearing applications in construction.〔(Technical information from the European Panel Federation )〕 The most common uses are as sheathing in walls, flooring, and roof decking. For exterior wall applications, panels are available with a radiant-barrier layer pre-laminated to one side; this eases installation and increases energy performance of the building envelope. OSB also sees some use in furniture production.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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