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M. I. Iskandar
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Materials Science & Nanotechnology

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PENGARUH KADAR EKSTENDER TEPUNG BIJI ALPUKAT TERHADAP MUTU KAYU LAPIS DAMAR (Agathis alba Foxw) M. I. Iskandar; Achmad Supriadi
Jurnal Penelitian Hasil Hutan Vol. 34 No. 1 (2016): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2016.34.1.45-50

Abstract

The addition of extender in the adhesive mixture may reduce the cost of gluing in the plywood manufacture. The extender addition should not reduce the plywood quality in term of internal bonding. This paper examines the use of avocado seeds flour as an extender in the manufacture of damar plywood (Agathis alba Foxw.). Based on the total mixture weight, the seeds flour was grouped into three concentrations of 10%, 20% and 30%. The main adhesive used was Urea Formaldehyde (UF) and parameters tested includes moisture content, density and internal bonding strength. Results show that the average of plywood moisture content, density and internal bonding strength were 7.46%, 0.48 g/cm , 11.77 kg/cm , respectively. The moisture content and bonding strength of damar plywood meets the Indonesian National Standard (SNI). The maximum bonding strength was achieved by plywood with an extender of 10% avocadoseed's flour. The variation of extender contents shows the pattern of the greater the extender content the the lower the internal bonding strength.
PENGARUH KADAR PEREKAT TERHADAP SIFAT PAPAN PARTIKEL AMPAS TEBU M. I. Iskandar; Achmad Supriadi
Jurnal Penelitian Hasil Hutan Vol. 31 No. 1 (2013): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2013.31.1.19-26

Abstract

Particleboards as one kind of the reconstituted wood products in their manufacture still rely on the Sonventional wood material from natural forest, which in potency becomes limited and scarce. Consequently, use of alternative woods or other ligno-cellulosic fibrous stuffs deserves thorough consideration, with their potency abundant and mostly still unutilized, such at bagasse (sugar-cane fibers) waste from sugar factories. In relevant, a research on particle board manufacture avus conducted using bagasse particles bonded together with urta-formaldehyde (UF) adhesive. This research aimed to look into the effect of UF content (i.e. 6%, 8%, and 10% based on the dry weight of the particles) on the physical-mechanical properties of the resulting particleboard. Results revealed that increasing the UF content brought about a significant decrease in the thickness swelling and water absorption of the board; and increases in MOR, MOE, and crew-withdrawal strength, but inflicted so significant changes on the moisture content, density, and internal band. Particleboard properties that could favor the standards of consecutively Indoncia (SNI), Japan (JIS) and FAO either entirely or partially were density, moisture content, and MOR. The greatber the UF content, the more of those properties satisfying the JIS spesification. Judging from in density, this experimented particleboard was more suitable for ate at room deathing and frumed table-plane. The particielswars that looks the neust prospective for such purposesmere those ning UF at 8% content.
PENINGKATAN MUTU PAPAN PARTIKEL MELALUI PENINGKATAN KADAR PEREKAT M. I. Iskandar; Achmad Supriadi
Jurnal Penelitian Hasil Hutan Vol. 33 No. 2 (2015): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2015.33.2.145-151

Abstract

The previous research of bagasse utilization from the sugar plant's waste for making boards using Urea Formaldehide (UF) as an adhesive up to 10%, resulted particle's boards with inferior physical and mechanical characteristics which could not fulfill the Indonesian standard. This paper investigates an improvement effort by increasing portion of adhesive to 12% and 14%. Results indicated that the boards had better quality than the previous research. All aspects of the improved particle's boards could fulfill standard of Indonesia, Japan and FAO, except thickness swelling and MOE values which are below the standard. There have been a clear tendency that a higher level of adhesive exerted a better quality, although particle boards characteristic were not affected by adesive level,except modulus of elasticity.
Co-Authors Achmad Supriadi