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High Alumina Cement

 PARTICULARS  HE-CEM-50 HE-CEM-55LF HE-CEM-70
Chemical Analysis (%)      
Al2O3 (Min) 48-50 55 69
Fe2O3 (Max) 5 2 0.3
CaO (Max) 35 35 28
       
Setting Time  (Minutes)      
Initial (Min) 30 30 30
Final (Max) 400 400 400
       
Cold Crushing Strength  (Kgf/cm2)      
1 Day 300 300 300
3 Day 350 350 375
       
Fineness (cm2/gm)      
      Blain’s Surface Area (Min) 2500 3000 3000
       
PCE °C (min) 1398°C 1430°C 1583°C
       

NOTES:

·         All tests done with water at 18 ± 2 OC.

·         Water used based on consistency.

·         CCS done on mixture of Cement : Sand in ratio of 1 : 3, vibrated into cubes and cured at 18 ± 2 OC

·         All values are average test data, as obtained on laboratory samples prepared & tested in accordance with standard test methods & are subject to reasonable variation.

·         Packing: 50 kg bags with polythene lining inside

·         Storage life: 6 months