SPECIFICATIONS OF INSULATION BRICKS
 
Brand
Name
AL2O3 Fe2O3 TiO2 Sio2 BD CCS AP PCE PLCAR Survice
Temp
  Min % % % gm/cm2 Kgf/cm2 % orton
cone
% C
SI-Po 40 40 <1% <0.5 52/56 0.75/0.80 0.75/0.80 >55 31/32 ± 1%1400C 1350/1400
SI-Po 50 50 <1% <0.5 42/46 0.85/0.90 0.85/0.90 >55 33/34 ± 1%1400C 1400/1430
SI-Po 60 60 <1% <1 --- 1.0/1.1 1.0/1.1 >55 33/34 ± 1.5%1500C 1450/1500
HFK 36 <1% <1 52/56 1.0/1.1 1.0/1.1 55/60 31/32 ± 1%1400C 1350/1400
 
SPECIFICATIONS OF CLAY & HIGH ALUMINA BRICKS
Brand
Name
AL2O3 Fe2O3 AP BD CCS PCE RUL PLC
  % min % max %max gm/cm kgf/cm Orton Ta C %
SI-R70 70 3.2 23 2.55 >400 35/1785 1450 ±2.5at
                1500 C/2 Hrs.
SI-R60(LF) 60 2.5 23 2.50 >400 35/1785 1460 ±2.0at
                1500 C/2 Hrs.
SI-R 60 60 3 23 2.45 >350 34/1763 1450 ±2.0at
                1500 C/2 Hrs.
SI-R 55 55 3 23 2.40 >350 33/1743 1430 ±1.5at
                1450 C/2 Hrs.
SI-R 50 50 2.8 23 2.30 >350 32.5/1724 1430 ±1.5at
                1450 C/2 Hrs.
SI-R 45D 45 2 22 2.25 >350 >32/1717 1420 ±1.5at
                1450 C/2 Hrs.
SI-R 40 40 3 25/26 2.0/2.1 >250 31/32(1717) 1400 ±2.0at
(IS-8)               1400 C/2 Hrs.
SI-R 37 (HHD) 37 2.5 26 2.00 >200 >31 1350 ±2.0at
                1350 C/2 Hrs.
SI-R 37 (IS-6) 30 2.2 30 1.90 >200 >29 1300 ±1.5at
                1300 C/2 Hrs.
 
Note : Size tolerace :- +/-2 or +/-2mm whichever is grater.