04-09-2023
19
Chemical
Refractories
385 L.E.
DIN , EN 12475 – 1 / 2004 Classification of Fire Clay Bricks According to ( Al2O3 ) Content . G. Routschka , Editor , " Refractory Materials – Pocket Manual " , Vulkan – Verlag , Essen , Germany , 2nd edition , 2004
Updated
Not Obligatory
81.080