Gunning Castables

GUNNING CASTABLES

BRAND NAME Maxgun
45
Maxgun
60
Maxmongun
45
Maxmongun
60
Maxmon-ABR Gun 70 Maxlyte
11 Gun
Maxlyte
13 Gun
GENERAL PROPERTIES
Features Dense Gunning Material Dense Gunning Material Dense Gunning Material Dense Gunning Material Dense Gunning Material Dense Gunning Material Dense Gunning Material
Base Raw Materials Calcined Clay, High Purity Cement Sillimanite, High Purity Cement Calcined Clay, High Purity Cement Sillimanite, High Purity Cement Sillimanite, Andalusite, High Purity Cement Insulating Grog, Medium Purity Cement Insulating Grog, Medium Purity Cement
Installation Gunning Gunning Gunning Gunning Gunning Gunning Gunning
Shelf Life (months) 9 9 9 9 9 9 9
Maximum Service Temperature (0C) 1450 1500 1450 1550 1600 1300 1350
Maximum Grain Size (mm) 4 4 4 4 4 4 4
Water Required for Gunning (%)* 11-15 10-14 9-12 8-11 7-10 35-45 30-40
Delivery State Dry Powder Dry Powder Dry Powder Dry Powder Dry Powder Dry Powder Dry Powder
Packing in Polythene Bags (kg) 25/50 25/50 25/50 25/50 25/50 25/50 25/50
CHEMICAL ANALYSIS (wt%)
Al2O3 43-45 58-60 43-45 58-60 68-70 32-35 35-38
Fe2O3 2.0-2.5 1.3-1.5 1.3-1.5 1.3-1.5 1.1-1.3 3.5-4.5 3.5-4.5
PHYSICAL PROPERTIES
Bulk Density (g/cc) after Drying at 1100C/24h 1.95-2.05 2.10-2.20 2.10-2.20 2.25-2.40 2.45-2.55 1.30-1.40 1.45-1.55
MECHANICAL PROPERTIES
Cold Crushing Strength (kg/cm2):
After Drying at 1100C/24h 250-350 300-400 400-500 500-600 600-700 40-50 70-80
After Firing at 8000C/3h 150-250 200-300 500-600 600-700 700-800 25-35 40-50
After Firing at 11000C/3h 100-200 150-250 550-650 650-750 750-850 15-25 30-40
After Firing at 14000C/3h 250-350 300-400 600-700 700-800 800-900 at 15000C/3h
Modulus of Rupture (kg/cm2)
After Drying at 1100C/24h 35-45 40-50 50-60 60-70 65-75 8-15 10-18
After Firing at 8000C/3h 20-30 30-40 55-65 65-75 70-80 6-12 8-15
After Firing at 11000C/3h 15-25 20-30 60-65 70-75 75-85 5-10 6-12
After Firing at 14000C/3h 35-45 40-50 60-70 70-80 80-90 at 15000C/3h
THERMAL PROPERTIES
Refractoriness (0C/OC) min. 1621/26+ 1665/30+ 1683/31+ 1785/35+ 1804/36+ 1398/14+ 1398/14+
Permanent Linear Change (%)
After Firing at 8000C/3h ±0.4 ±0.3 ±0.3 ±0.3 ±0.3 ±0.8 ±0.6
After Firing at 11000C/3h ±0.6 ±0.5 ±0.5 ±0.4 ±0.4 ±1.2 ±1.0
After Firing at 14000C/3h ±1.5 ±1.0 ±1.2 ±1.0 ±0.8 at 15000C/3h
*Water required for Gunning not only depend upon the Gunning materials but also on the Surface to be Gunned, Workmanship of Gunman, Ambient Conditions and many other related parameters. 

 

    

Notes

  • Mahakoshal does not warrant the accuracy, fitness for purpose or updates of any information disclosed herein. Specification of the products may change based on the geographical area to be supplied.
  • Data shown are based on average results of production samples and are subject to normal variation during individual tests.
  • and Min. values are given separately for testing purposes.
  • The information contained herein are exclusive property of Mahakoshal.

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