Deref sells a wide range of mineral raw materials for the main European manufacturers of shaped and unshaped refractory products used in steel, ceramics and glass industries.

Product types

• HD Bauxite
• Bauxite Steel Grade
• Clay
• Chamotte Silico-alumina
• Chamotte with alumina high-content
• Calcined Alumina Smelter Grade

Deref is the Italian agent of Intrasa SA, Spanish manufacturer of refractory clay and chamotte/calcined clay.