A physical properties study of porous ceramics for the development of the fragrance ceramic

Abstract

The physical properties of porous ceramics developing from alumina added in porcelain commercial bodies were studied. The physical properties as water absorption, shrinkage, absorption length, and water evaporation rate were evaluated. It was found that the developing body after firing at 1200 °C and 1230°C had water absorption and the shrinkage in the range of 3.25-3.35% and 12.00-12.84 % consecutively. Their water absorption lengths were about 90 and 80 millimeters consecutively. The evaporation rate agreed with the water absorption property and was found to vary with the firing temperatures and thickness of the samples. At the thickness of 1-2 millimeters, the evaporation rate was in the range of 0.11-0.46 μg/mm/sec. A development of the fragrance ceramic products from the 2% alumina added experimental body fried at 1200 °C was found its ability to absorb the liquid at a certain level and to release the fragrance.