Abstract
This study was undertaken to evaluate the feasibility of Larch (Larix gmelini) tannin-based adhesive for particleboard. The tannin-phenol-formaldehyde (TPF) (60 percent tannin was used to substitute phenol in the resin) was used to produce exterior grade particleboard according to the L9 (34) orthogonal design test and the results met the German Standard DIN 68763 V100. It also can be said that the TPF particleboards are comparable to some synthetic phenol-formaldehyde (PF) resin exterior-type particleboards on the basis of contrast test and accelerated aging test. The Larch tannin would be a desirable substitute for phenol as a low cost material and the studied tannin-based adhesive is suitable for industrial application.
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