The Study of the Thermal Insulation Properties of the Waste Materials of Agriculture: Sawdust, Coconut Fiber, and Water Hyacinth Fiber
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Abstract
Agricultural waste containing natural fibers is an alternate method of manufacturing thermal insulation. Because it contains natural fibers with a high concentration of cellulose. This research studied the properties of thermal insulation panels made from agricultural waste made from three types of materials: sawdust, coconut pulp fibers, and water hyacinth fiber. Using latex as a binder at a ratio of fibers to latex equal to 60:40, 70:30, and 80:20 and having a size of 16 cm × 16 cm × 2 cm by testing density, thermal conductivity, tensile strength, water absorption, and fire-retardant properties. The research results found that the density of the insulation was in the range of 315–404 km/m3. Thermal insulation from all types and ratios of fibers had a low coefficient of thermal conductivity in the range of 0.0136–0.0315 W/m·K. The tensile strength of the insulation was in the range of 0.01–0.45 MPa. The water absorption value of the insulation panels was in the range of 16.49–67.64 percentage, and the fire spread value of the three types of fibers was 0 millimeters per minute. The optimum thermal insulation in this investigation was water hyacinth fiber insulation with a fiber-to-latex ratio of 60:40 due to its low coefficient of thermal conductivity. Moreover, the water absorption value was within standard criteria, and the tensile strength value was higher than other ratios of the same type of fiber. As a result, the agricultural waste materials used in this study had the potential to increase the material's value while also serving as an environmentally friendly heat insulation.
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บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการเผยแพร่ในวารสารวิทยาศาสตร์และเทคโนโลยี มรย. นี้ ถือเป็นลิขสิทธิ์ของวารสารวิทยาศาสตร์และเทคโนโลยี มรย. หากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ต่อหรือกระทำการใดๆ จะต้องได้รับอนุญาตเป็นลายลักษณ์อักษรจากวารสารวิทยาศาสตร์และเทคโนโลยี มรย. ก่อนเท่านั้น
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