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Special Insulation Bricks

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Properties NR P-23 NR P-25 NR P-28
Service temp °C (Max.) 1300 1400 1500
Bulk Density gm/cc.(Max) 0.55 0.70 1.00
C.C.S.Kg/cm²(Min) 10 15 25
P.L.C. after 24 hrs. % (Max) ± 0.5 at 1250°C ± 0.5 at 1350°C ± 0.5 at 1450°C
T.C. w/mk (Max) at 400°C 600°C 800°C 1000°C 0.15 0.18 0.20 0.22 0.20 0.22 0.25 0.30 0.35 0.40 0.45 0.48
Al2O3 % (Min) 40 50 60
Fe2 O3 % (Max) 0.60 0.70 1.00

Special Insulation Bricks

Special Insulation Bricks

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Yes! I am interested
FOB Price : Get Price

PropertiesNR P-23NR P-25NR P-28
Service temp °C (Max.)130014001500
Bulk Density gm/cc.(Max)0.550.701.00
C.C.S.Kg/cm²(Min)101525
P.L.C. after 24 hrs. % (Max)± 0.5 at 1250°C± 0.5 at 1350°C± 0.5 at 1450°C
T.C. w/mk (Max) at 400°C 600°C 800°C 1000°C0.15 0.18 0.20 0.220.20 0.22 0.25 0.300.35 0.40 0.45 0.48
Al2O3 % (Min)405060
Fe2 O3 % (Max)0.600.701.00
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Size Tolerance :
±1% or ±1mm. whichever is greater for standard bricks.
±1.5% or ± 2 mm. whichever is greater for other shapes.

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