SW
Antacid white brick
Once known as acid-proof bricks, these products were used in the construction of chimneys.
Characterized by different shades of white, they are particularly common in Sardinia where they are used for the construction of high quality fireplaces, grills and barbecues.
Chemical composition:
Al2O3 [%]: 25-29SiO2 [%]: 65-69
Fe2O3 [%]: 1
CaO [%]: 0.9
Physical properties:
Bulk Density [kg/dm3]: 2.190Apparent Porosity [°C]: 12.5
Cold Crushing Strength [Kg/cm3]: 300
Refractoriness Under Load [°C]: 1250
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ABOUT UNISTARA
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