Abstract
The objective of this article was to study the morphological characteristic and mechanical properties of gypsum boards. The gypsum plaster (GP) type 1 was replaced by water hyacinth fiber (WHF) at the dosages of 0, 50, 75, 100, and 150 by mass. The scanning electron microscopy (SEM) was used to observe their morphological characteristics, whereas mechanical properties of gypsum board were based on the TIS 219-2552. The thermal conductivity (k) was tested by according to ASTM E 1225 standard. Test results found that the morphological characteristics of the WFH showed rather roughness; thus, the voids of WHF increased. The thermal conductivity of gypsum boards incorporated with WHF tended to decrease as the void increased. Finally, it was determined that the water absorption (AW) and two bending forces (FL and FW) of the gypsum board including WHF were insufficient for compliance with the TIS 219-2552 standard.
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