DEF initially specialized in products for double-firing, monoporosa and single-firing tiles, than broadened its offer with products suitable for technical and fine porcelain stoneware.

Today, our product range includes grits, glazes, screen printings pastes, powders for various applications, glass grits, pigments and special products. Over the last two years DEF has also specialized in third firing products, glazes for roof-tiles end latest generation of inks for digital technology machines.