Studying on the protective effectiveness of slice veneers from Lithocarpus ducampii A. Camus and peeled veneers from Litsea pierrei Lecomte treated with preservations against mold and basydiomycetes fung

Abstract

Lithocarpus ducampii A. Camus and Litsea pierrei Lecomte are relatively
fast growing native plants, prospect in forests providing large timber. With
pink color, have a nice grain, Lithocarpus ducampii A. Camus wood can be
used for sawn timber and sliced veneer production. The logs of Litsea
pierrei Lecomte were relatively straight and the difference between ends of
the logs in relation to diameter was small, potential for making sawn
timber, peeled veneer. The natural durability of Litsea pierrei Lecomte and
Lithocarpus ducampii a. Camus is less resistant to mould. Litsea pierrei
Lecomte has medium durability with basidiomycetes fungi. During drying
or storage, veneer from those woods are easily attacked by mold, decay
fungi under conditions of high environmental humidity, especially for
factory without drying equipment. Study effectiveness of preservatives to
prevent wood harmful organisms making a scientific basis for building a preservation technological process. Peeled veneers and sliced veneers were
immersion in 30 - 90 minutes with LN5 concentration 5 - 7%, deliver the
performance of accepatable level 0 with mold, good - grade with
basidiomycetes Trametes corrugata T1. In case of specimens were dipped
in 1 minutes or more with BORAG2; in 40 seconds or more with BORAG1,
deliver the performance of accepatable level 0 and 1 with mold, good -grade with basidiomycetes Trametes corrugata T1.