Abstract
Natural resource exploration is growing, highlighting woods and joinery waste, wood industries and the like. This study presents homogeneous particleboard (PPH) roughness characterization manufactured from treated wood waste. Normative document with values of Brazilian Technical Standard Association ABNT NBR 8404 (1984), was adopted as a reference. The results show that the manufactured PPH showed roughness class N 10, with roughness values (Ra) of less than 12.5 microns.
Highlights
The standard Associação Brasileira de Normas Técnicas NBR 14810 (ABNT, 2013) defines medium density particleboard, with density between 551 and 750 kg m-3, a panel manufactured from wood particles bonded with thermosetting synthetic resin, which are consolidated under action together of heat and pressure
Kollmann, Kuenzi, and Stamm (1975), Maloney (1977) and American National Standards Institute A208.1 (ANSI, 1999) report that particleboard definition depends on particles types, board structure, resin and manufacture equipment
Rolleri and Roffael (2010) studied the surface roughness of particleboards produced from wood particles and urea formaldehyde resin and obtained Ra roughness values in the range of 5.2 to 11.2 μm
Summary
The standard Associação Brasileira de Normas Técnicas NBR 14810 (ABNT, 2013) defines medium density particleboard, with density between 551 and 750 kg m-3, a panel manufactured from wood particles bonded with thermosetting synthetic resin, which are consolidated under action together of heat and pressure. Factors and experimental levels investigated in obtaining cutting roughness values [Ra (μm)] of homogeneous particleboard manufactured were Wood Species [Specie], varying between Pinus (Pinus) and Eucalyptus (Euca.), and adhesive type [Adhes.], consisting of castor oil based polyurethane resin (PU) and urea formaldehyde (UF).
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