And can be made blenders soil as well but because of the soil conditions in Phayao heat resistant use heat to burn up to 800 degrees If the lower heat 800 degrees, the soil will break easily If the burn at high temperatures, more the shape of the molding machine are distorted and turns brown like the color of steel use this type of soil is the only clay but if it is used to make ceramic coating. Types of glass or vase must bring the soil from the Lampang to mix together.