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Surdiding Ruhendi
Departemen Hasil Hutan, Fakultas Kehutanan, Institutt Pertanian Bogor Kampus IPB Darmaga, PO BOX 168 Bogor 16001 Telp. 0251–621285, 0251–621677, Fax. 0251–621285, 0251–621256
Agriculture, Biological Sciences & Forestry

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Effect of Soaking Treatment to Oil Palm Empty Fruit Bunches Wettability and Its Comparison with Several Woods Wettablility Tito Sucipto; Surdiding Ruhendi
FORESTA Vol 1, No 1 (2012): MARET
Publisher : FORESTA

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Abstract

The wettability in term of corrected water absorption height (CWAH) of treated oil palm empty fruit bunches (TKS) particles and compare with some woods wettablility was investigated. The treatments were soaking TKS in cold water, hot water and ethanol–benzene. The objective of the research was to know the effect of soaking treatment on the wettability as indicator of gluability of the TKS particles adhesion strength and its comparison with several woods wettablility. The research results show that the CWAH of the TKS which were soaked in cold water, hot water and ethanol–benzene were 72 mm, 202 mm and 214 mm, respectively. Meanwhile the CWAH of untreated TKS was only 46 mm, were lower than those the treated ones. The analysis of variance shows that the soaking treatment in ethanol–benzene and hot water significantly and positively affect wettability. Generally, CWAH of the TKS was lower than other woods, which effected by density, porousity and extractive difference.Keywords: oil palm empty fruit bunches, soaking treatment, wettability
Analysis of Adhesion Quality of Mangium Laminated Wood with Polystirene Resin Tito Sucipto; Surdiding Ruhendi
FORESTA Vol 1, No 1 (2012): MARET
Publisher : FORESTA

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Abstract

Adhesion quality effeccted by adhesive and adheren quality, adhesion process, and product purpose condition. Materials in this research used mangium wood (Acacia mangium) and polystirene resin. The objective of the research was to know the adhesion quality of laminated wood and effect of fiber orientation (axial/ A; radial/ R; tangensial/ T), glue spread (120; 170 g/cm2) and glue spread system (single spread/ SS; double spread/ DS) to adhesion quality of laminated wood. The research results show that the highest of glue line shear strength are 5.01 N/mm2 (R–SS–170) for dry test, and 4.68 N/mm2 (T–SS–170) for wet test. Meanwhile the lowest of glue line shear strength are 1.47 N/mm2 (A–SS–120) for dry test, and 1.47 N/mm2 (T–SS–120) for wet test. Only two wet test laminated wood (T–SS–170 and T–SS–120) fulfill Indonesian standard/ SNI 06–6049–1999 (glue line shear strength ≥3 N/mm2).Keywords: glue line shear strength, mangium, glued laminated wood, polystirene resin
Co-Authors Sucipto, Tito