Frit 3195 contains sodium, calcium and boron. It is used in satin glaze and earthenware. Ceramic ferrites are important components of most vitrified glass and consist mostly of silica, tridiborone and soda. Frits are glassy components, which are insoluble in water and are created by melting and then rapid cooling of a controlled mixture of raw materials. Because of their different applications, there are many types of Frits, each with specific uses. Despite the versatility, manufactured frets typically have more than one type of flux and are stabilized with alumina and silica. This makes frites more reliable when used to consistently produce glass.