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Preservation of two Indonesian timber species for marine environment purposes
1994 - IRG/WP 94-10079
This paper deal with the experiment of CCA full cell processed two non-durable Indonesian species for placed in the marine environment. 80 samples of 5 x 5 x 60 cm³ dried durian (Durio zibethinus) and mahogany (Swietenia mahagony) timber were CCA-full cell processed using 4 combination treatment of: without steaming; one hour steaming; 3% and 5% CCA solution concentration. 40 samples of them were field tested in the sea water in Rambut island beach near by Jakarta. The results shows that mahogany very difficult to treat and not recommended to be placed in marine environment, while CCA retention in durian timber could reach 29.91 kg/m³ and meet the requirement of retention for timber to be placed in marine environment. After two month field test in sea water full cell processed drian with 5% CCA solutin concentration could prevent marine borers attack.
P Permadi, I M Padlinurjaji, F Rasmita