30 November 2022

Oct-1-Refractory Comparison of PHOSCAST 90XR And ACCOMON 90

Comparison of PHOSCAST 90XR And ACCOMON 90
Sr No Parameters Unit Limits
PHOSCAST 90XR ACCOMON 90
1 Product name Chemically bonded plastic refractory Phoscast90XR ACCOMON 90, 90%Alumina LC Castable, nature of bond Hydraulic, vibration casting
2 Service temp Deg C Max 1650 Max 1700
3 Refractoriness Deg C Min 1785 37/ 1820 Min
4 Bulk density,110 Deg C for 24 Hr g/cc Min  2.7 Min 3.0
5 Cold crushing strength
110 Deg C /24 Hrs kg/cm2 Min 650 Min 950
800 Deg C /3Hrs kg/cm2 Min 1000
1100 Deg C /3 Hrs kg/cm2 Min 1100
1300 Deg C /5 Hrs kg/cm2 Min 875
1550 Deg C /3Hrs kg/cm2 Min 1200
6 Permanent liner change
800 Deg C /3Hrs %  MAX +/- 0.2
1100 Deg C /3 Hrs %  MAX +/- 0.3
1300 Deg C /5 Hrs % Max -0.6
1550 Deg C /3Hrs %  MAX +/- 0.8
7 Chemical Analysis
Al2O3 % 90 90
Fe2O3 % Max 0.3 Max 1.0
8 Abrasion loss, CC
ASTM:C-704-93
110 Deg C /24 Hrs CC 5.0 Not mentioned
1300 Deg C /5 Hrs CC 3.5 Not mentioned
9 Binder Requirement Wt % 9.5 to 10
10 Thermal conductivity (HFT)
400 Deg C HF Kcal/m/hr/Deg C 2.20
600 Deg C HF Kcal/m/hr/Deg C 2.31
800 Deg C HF Kcal/m/hr/Deg C 2.35
1000 Deg C HF Kcal/m/hr/Deg C 2.0 – 2.2

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