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Insulating Bricks Table

B

C1 (HI23)

C2 (HI26)

Maximum Service Temperature  °C 1,100 1,260 1,430
Bulk Density kg/m3 605 – 750 700 – 800 800 – 900
Apparent Porosity  % 50 – 60 50 – 55 55 – 60
Cold Crushing Strength  kg / cm2 25 – 30 23 – 25 25 – 28
Modulus of Rupture  kg / cm2 10 – 15 6.0- 7.0 6.0 – 8.0
Reheat Test, Permanent Linear Change
After Heating at
 % (1,000°C)
– 0.3
(1,230°C)
– 0.5
(1,230°C)
-0.7