Pengawetan kayu mangium secara rendaman panas - dingin dengan bahan pengawet boron dan CCB

Wood materials from plantation timber, among others is mangium (Acacia mangium Willd.) are supposed to be more susceptible to the wood-degrading organisms. This situation can expectedly be overcome by improving wood durability througha proper preservation. Previous study of the preservation of mangium wood was only by cold soakinag treatment, using boron presevative. In order to provide a complete practical guidance of wood preservation. It wood be necessary to study the preservation offf such mangium by hot-colt treatment with not only boron but also CCB (Copper- Chrome - Boron) preservatives. Mangium with samples, aaaafter reaching their air dry condition in block-shape size measuring 5 cm by 5 cm by 100 cm were tereated by hot-cold soaking separately in solution of boron and CCB preservatives, varying at consecutively 5 percent, 7.5 percent and 10 percent. The treatment in this regard was implementing a particular scheddule, which involved the regulation of soaking durations and temperatures. The durations in the hot-soaking stage for each preservative strength were 1 hour, 2 hours and 3 hours, with the temperature maintained at 65 to 70 degrees C. In the following cold-soaking stage, the durations were fixed for one daaay. The results showed that mangium wood treated with hot-cold soaking in either boron or CCB solution and emplementing such particular schedule was only applicable for indoor uses, i.e. being under the roof utilization without ground contact. In this matter, the optimum strength for boron as well as CCB preservatives was 10 percent whereby the durations of hot-soaking stage were from one and three hours, followed by cold-soaking stage for one day.

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: .,

Deskripsi Fisik

Buletin Penelitian Hasil Hutan : Vol. 20 No. 1

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Indonesia

ISBN/ISSN

0852 - 1638

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