Description :
Tenders for Supply Of Refractory Material For 2x250 Mw Ptpp Parichha - Refractory Supercastable Alumina 68-72%, Super Castable Refractory As Per Following Specification:al2o3:68-72%, Cao:5.2-6%, Fe2o3:4.8-5.5%, Max Service Temp:1450 C, Max Grain Size:5mm, Water Required For Casting:10-11%, Dry Density:2.50-2.65 G/cc, (after Drying At 110 C/24 Hrs), Ccs:350-450 Kg/cm2( After Drying At 110 C/24 Hrs) Refractoriness, Orton/ C Plc, % (after Heating At 1100 Deg C/3hrs: -0.30 To +0.30) After Heating At 1400 Deg C/3 Hrs: -1.60 To +1.70), Plastic Refractory As Per Following Specification:al2o3:82.5-85.5%, Fe2o3:0.50-0.85, Max Service Temp:1700 C, Max Grain Size:3mm, Pre-8 Liquid For Ramming:9.7-10.7%, Dry Density :2.70-2.85 G/cc, (after Drying At 110 C/24 Hrs), Ccs:260-430 Kg/cm2( After Drying At 110 C/24 Hrs) Refractoriness, Orton/ C Plc, % (after Heating At 550 C/3hrs: -0.3 To +0.3) After Heating At 815 C/3 Hrs: -0.3 To +0.3)
