Abstract
.The purpose of this research is to. Study on heat transfer of heat from the number of coconut fiber, education 4, boiled mix coconut fiber and latex. Coconut fiber mixed rubber on two sides. Coconut fiber mixed rubber one side.Compared with the foam. Sample sheets were each sheet is wide 15 cm long, 15 cm thick and 1.5 cm was measured by the insulation sheet off one side of the wooden box, then temperature face plates, higher temperatures background sheet thermometer in wooden boxes. The temperature and the external environment. By the use of spotlights the original heat
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