Some important factors on the formaldehyde emission of the
particleboard as well as technological properties are hardener type,
urea usage, and conditioning period of the particleboard. The effects
of these factors on the formaldehyde emission, thickness
swelling, mechanical properties, and surface quality of the particleboard
have not been extensively investigated in the literature. The
objective of this study was to investigate the effects of hardener
type, urea usage and conditioning period on the quality properties
of three layer particleboards. The process conditions of particleboard
having low formaldehyde emission and high technological
properties were determined from manufacturing process variables.
Some important factors on the formaldehyde emission of theparticleboard as well as technological properties are hardener type,urea usage, and conditioning period of the particleboard. The effectsof these factors on the formaldehyde emission, thicknessswelling, mechanical properties, and surface quality of the particleboardhave not been extensively investigated in the literature. Theobjective of this study was to investigate the effects of hardenertype, urea usage and conditioning period on the quality propertiesof three layer particleboards. The process conditions of particleboardhaving low formaldehyde emission and high technologicalproperties were determined from manufacturing process variables.
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