Increasing Translucency in Tableware by Using Feldspar

Tableware is a white and dense body that produced by three basic raw materials like silica, feldspar and kaolin. Each of them has n effect on module of rapture, translucency and whiteness. Translucency imply to passing light through body and best way to achieve it, is producing a fused phase without any crystal and porosity that have different diffraction factor. To design a best composition, we should mix this material to reach essential properties for producing tableware in production line as biscuit, fired and green module of rapture, shrinkage and resistance to deformation besides the other properties we said. In this paper to achieve the highest Translucency we used Marand Washed kaolin, Mallayer Silica and Hamedan Feldspar and fixed clay content at 65% and changed silica and feldspar content then provided different composition and measure all properties by physical experiment, Scand picture(SEM), X-ray diffraction. Colorimeter and light transition measurement Results show in 20% silica and 15% feldspar composition we can have a fused phase with minimum crystal phase and porosity that lead to maximum light transition besides other essential properties.