Biennial Rate Contract For Procurement Of Pourable Insulation, Castable Refractories Why ...

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Biennial Rate Contract For Procurement Of Pourable Insulation, Castable Refractories Why Theate Grade A, Fire Crete P And Plastic / Castable Refractory / High Temperature Cement ( Htc ) For Unit No. 1 To 4 Of Sstpp, Mppgcl, Dongalia. Biennial Rate Contract For Procurement Of Pourable Insulation, Castable Refractories Why Theate Grade A, Fire Crete P And Plastic / Castable Refractory / High Temperature Cement ( Htc ) For Unit No. 1 To 4 Of Sstpp, Mppgcl, Dongalia. , Pourable Insulation:- Specification: Servicetemp- 6500C, Permanent Linear Change At 6500C=+ / -2.0%, Compressive Strength – In Kg / Cm2 [ At 1100C -22 Min., At 5000C-14 Min. ] Bulk Density At 1100C ( Kg / M3 ) =660 Max. Bulk Density At 5000C ( Kg / M3 ) =640 Max. Thermal Conductivity ( K ) [ At Mean Temp:2500 C In Kcal / M Hr 0C= 0.16 ( Max. ) 5000C In Kcal / M Hr 0C ] Chemical Composition : Fe 203 ( Ferite Oxide ) : 5.0 ( Max ) , Castable Refractories Why Theate Grade ‘A’ , Castable Refractories Fire Crete ‘P’ , Plastic Refratory ( 90.0% Alumina ) With Liquid Binder: [ Service Temperature -16500C Max. Refractoriness-17850C, Bulk Density ( Sample Dried At 1100C For 24 Hrs. ) Cold Crushing Strength [ At 1100C / 24Hrs. -650.0 Kg / Cm2, At 13000C / 5 Hrs.-875.0 Kg / Cm2 ] Permanent Linear Change [ At 1300 0C / 5 Hrs. 0.60% Max. ] Chemical Analysis [ Ai203 ( Nominal ) -90.0% Fe203 ( Max ) -0.3% ] Abrasion Loss Pre-Fired [ At 1100C / 24Hrs. -5.0 Cc, At 13000C / 5Hrs. -3.5 Cc ] , Binder Requirement -9.5 To 10.0% Of Wt, Thermal Conductivity [ At 10000C-2.0 To 2.2 Kcal / M / Hr / 0C ] , Method Of Application- Ramming / Hand , Plastic Refractory ( As Per Sl.No 5 Of Tender Schedule ) Type90% Al2o3 Plastic Refractory Nature Of Bond : Chemical Installaionramming General Properaties % Raw Material Basetabular Alumina Max Service Temperature1650 °C Maximum Grain Size5mm Gemical Analysis, % Specification Al2o3 90.00 Min Sio2 - Fe2o3 0.5 Max Physical Propertiesspecification Dry Density, G / Cc After Drying At 110°C / 24 Hrs 2.7 Min Ccs, Kg / Cm² After Drying At 110°C / 24 Hrs 650 Min After Heating At 800°C / 3Hrs - After Heating At 1100°C / 3Hrs - After Heating At 1300°C / 3Hrs 875 Min Thermal Propertiesspecification Refractoriness, °C+1785 Plc. % After Heating At 800°C / 3Hrs - After Heating 1100°C / 3Hrs - After Heating 1300°C / 3Hrs + 0.60 Max Abrasion Loss, Cc ( Max ) - , Castable Refractory ( Whytheat C Patch ) , Heat Treatment Cement ( Htc Cement ) Is-7509 Values Type-950 Typical Value Hysil H-1000 ( As Per Sl.No 7 Of Tender Schedule )

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