Procurement of High Density Alumina Bricks

SPECIAL GRADE, OCTAGONAL SHAPE TILES (High ALUMINA BRICKS) FOR SECONDARY REFORMER of AMMONIA-I. TEMPERATURE=1600 DEG (Min), PRESSURE=35 KG/CM2G, THE BRICKS WILL COME IN CONTACT WITH A MIXTURE OF PROCESS GAS WITH VARIOUS CONTENTS OF H2, CO, CO2, CH4 AND STEAM, AS PER THE OPERATING CONDITIONS AS MENTIONED ABOVE. COMPOSITION OF HIGH ALUMINA BRICKS- Al2O3= 99 % (MIN) SiO2 =0.30 PERCENT (MAX), Fe2O3 = 0.15 PERCENT (MAX), CL= 50 PPM (MAX), S= 50 PPM (MAX), ALKALIES= Less than 0.35 PERCENT, PARTICAL DENSITY= 3.20 gm/CM2 (MIN), APPPARENT POROSITY= 14 TO 18 PERCENT, COLD CRUSHING STRENGTH=950 KG/CM2 (MIN), SIZE AS PER DETAILED DESCRIPTION AND DRAWING WHICH ARE ENCLOSED.