Effects of Furnish Type on Properties of Thin, Reconstituted Wood Panels

Large flakes, refined fiber, and particles were evaluated for production of thin, medium-density panels suitable for use as doorskins. The most promising panels were composed of three layers with fiber faces and a flake core. Properties evaluated included MOR, MOE, IB, linear expansion, falling-ball impact height, and surface texture. Multiple regression equations were determined that can be used to predict properties of layered panels containing any percentage of flakes in the core at any density between 45 to 60 pcf. At a density of 50 pcf, three- layered laboratory panels consisting of 25 percent fiber in each face and a flake core were equivalent to commercial high-density boards with respect to MOR and MOE.

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