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Crown Ceramics
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Refractory Calundum

  • Type Calundum Cement, Medium Purity 48% Alumina Cement
  • Application Construction Use
  • Shelf Life 6months
  • Grade AL50
  • Feature High Quality, High Bonding Strength
  • Form Powder
  • Packaging Type PVC Bag
  • Country of Origin India
  • Product Calundum
  • Storage Life 9 Month
  • Pack Size 5 kg, 10 kg, 25 kg
  • Pack Type PP bag

Technical Specification

CCS Kg/cm2 Of 1:3 Vibrated Mortar Using Standard Graded Sand Typical Value Specification
Refractoriness, Orton /.s C 14/1398 13/14(1349/1398) min
Chemical Analysis %
CCS Kg/cm2 Of 1:3 Vibrated Mortar Using Standard Graded Sand Typical Value Specification
LoI 0.5 -
Sio2 5.6 -
Fe2O3 0.2 5.00max
TiO2 6.6 -
CaO 32.8 -
AI2O3 49 48.00min
MgO 1 -
Physical Properties
CCS Kg/cm2 Of 1:3 Vibrated Mortar Using Standard Graded Sand Typical Value Specification
After 1 Day 400 380 Min
After 3 Day 470 450 Min
Specific Surface area, cm2/gm 3450 3400 Min
Setting Time, Min
Initial 40 30 Min
Final 150 400 Min
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Bottom Pouring Set

  • Material Fire Clay
  • Feature Eco-friendly
  • Chemical Properties Al2O3 38-42%
  • Safe Working Temperature 1400 C 1450 C
  • Alumina 40%
  • Quality Standard IS-8
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Ceramic Fiber Blanket

  • Length 7200mm
  • Color White
  • Fiberfrax Product Properties Blankets, Durablanket Z, Durablanket 5
  • Maximum use/Grade Temp.,.C 1425, 1260
  • Dimensions, mm unless stated Width 610, Length 7620 Other Sizes on request
  • Thickness,mm Density,kg/m3(lbs/cutt) 6, 13, 19, 25, 38 & 50, 64, 96, 128 & 160(4, 6, 8 & 10)
  • Thermal Conducitivity at min temp. of 550. C,w/rek(but-in/hrft2.F) 0.11(0.76) for 128 kg/m, 0.13(0.9) for 96 kg/m3

We offer Ceramic Fiber Blankets, which is made of special ceramic long-fiberthat is produced by the melting of very pure raw materials in double surface meeding process with out binders and with good stability in a large range of temperature. The process of double surface needlinincrease interweaving and tensile strength. Its unique fiberlayup and needling process provide Ceramic Fibre Blanket with outstanding consistency, handling strength and resiliency at elevated temperatures.

 

Application Notes

  • The test data shown are based on average result of control tests and are subject to normal variation on individual tests.
  • Maximum use temperature is indicative. it is dependent of fuel, atmosphere and other service factors.
  • High temp. pipe, duct & reformers, kilns, turbine insulation, heat Treatment furnaces. Reheating furnaces, Soaking pit cover sealing, Kilns & kiln cars insulation & seals. Over & stack lining, Boilers, Exhaust duct & Air preheater insulation. Fire Protection.
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