When the trials stem education Palm proper digestion period stem Palm Palm stalks by combine to soak in water for 24 hours, 48 hours, 72 hours, and found that the optimal period is 72 hours on a comparative study of the Palm stem sub with water and sodium hydroxide. There are different concentrations is 0%, w/v, 2% w/v, and 5% w/v found that concentrated the most appropriate sub Palm stem with water and sodium hydroxide is 5% w/v, and when studying the effect of thickness per coefficient of thermal conductivity, heat insulation with live Palm stem thickness 5 mm to 10 mm.Linnaeus metres and 3 mm found that hot insulation with thermal conductivity coefficient by equal to 0.06 W/m.K trials find that the coefficient of heat conductivity of the insulation, the insulation experiment between glass fiber insulation 0.035 W/and W/m.K m.K 0.123 plywood so that the insulation experiment with performance equivalent insulation available today.
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