clay brick factory
low apparent porosity
high cold crushing strength

lightweight clay bricks features:low apparent porosity;high cold crushing strength item  Al2O3, % >            Fe2O3, %< Apparent  Porosity, %  < Cold  Compressive  Strength,  Mpa   Reheating  Linear  change rate,  1400°C×2h , %,< Refractoriness under  load,  0.2Mpa  > Refractoriness, °C brand Commen Fireclay Bricks N-1     22 30 0.1~-0.4 1400 1760 N-2a     24 25 0.1~-0.5 1350 1740 N-2b     26 20 0.2~-0.5   1740 N-3a     24 20   1320 1720 Low Porosity Fireclay Bricks DN-12 45 1.2 10-12 68 0.1~-0.05 1500   DN-15 42 1.5 15 58.5 0~-0.5 1470   Large Fireclay bricks DN-40a 40 1.5 18 49 0~-0.4 1450   DN-40b 40 1.8 18 34.3 0~-0.4 1400