Insulation refractory bricks are manufactured from raw materials,the characteristics of this group are:
-less thermal conductivity
-low weight ,
-low bulk density
Grade 23,grade 26,grade 28
Working Temperature : 1260 ºC 1450 ºC
They are used for thermal insulation of high temperatures and applicated in metallurgy,petrochemical ,aluminium industry, ceramics industry etc.