PARAMETERS | SPECIFICATIONS OF CLINKER | SPECIFICATIONS OF CEMENT | TEST METHOD |
---|---|---|---|
Chemical analysis | |||
% SiO2 | 20,1-21,8 | 19,9-20,5 | XRF |
% Al2O3 | 5,47-5,67 | 4,90-5,10 | XRF |
% Fe2O3 | 3,23-3,50 | 3,05-3,35 | XRF |
% CaO | 62,7-63,5 | 63,0-64,1 | XRF |
% MgO | 1,69- 2,77 | 1,90-2,40 | XRF |
% K2O | 0,77- 1,03 | 0,99-1,24 | XRF |
% Na2O | 0,24-0,32 | 0,23-0,30 | - |
% SO3 | 0,70-1,80 | 2,85-2,95 | - |
% Cl | 0,007-0,045 | 0,010-0,020 | - |
% Free lime | 0,7-2,5 | 0,7-1,5 | BS:4550 (BS:12) |
N.A | % Insoluble Residue | 1,0-1,5 | BS:4550 (BS:12) |
N.A | % Insoluble Residue | 0,4-0,8 | BS:4550 (BS:12) |
Calculated modul | |||
Lime Saturation Factor | 90-92 | 91-93 | BS:4550 (BS:12) |
Silica Modulus | 2,35-2,50 | 2,35-2,50 | BS:4550 (BS:12) |
Alumina Modulus | 1,6-1,7 | 1,6-1,7 | BS:4550 (BS:12) |
Physical tests | |||
Liter Weight (5-10 mm) , gm/lt | 1150-1250 | N.A | Hand Sieving |
Blaine , cm2/gm | N.A | 2700-3000 | ASTM |
% Retained on 32 mm | 3,5-10,2 | Nil | Hand Sieving |
% Retained on 25 mm | 8,6-12,5 | Nil | Hand Sieving |
% Retained on 19 mm | 2,5-18,8 | Nil | Hand Sieving |
% Retained on 90 micron | 97-98 | Nil | Hand Sieving |
% Retained on 45 micron | 98-99 | 22-24 | Hand Sieving |
03-days compressive strenght*,PSI | N.A | 4400-4800 | BS:4550 (BS:12) |
07-days compressive strenght*,PSI | N.A | 5300-5600 | BS:4550 (BS:12) |
28-days compressive strenght*,PSI | N.A | 6800-7100 | BS:4550 (BS:12) |
Initial set time , minutes | N.A | 160-180 | BS:4550 (BS:12) |
Final set time , minutes | N.A | 220-245 | BS:4550 (BS:12) |
Le-Chatlier expansion, mm | N.A | 1-2 | BS:4550 (BS:12) |
% Retained on 25 mm | 8,6-12,5 | Nil | Hand Sieving |
% Retained on 19 mm | 2,5-18,8 | Nil | Hand Sieving |
% Retained on 90 micron | 97-98 | Nil | Hand Sieving |
% Retained on 45 micron | 98-99 | 22-24 | Hand Sieving |
03-days compressive strenght*,PSI | N.A | 4400-4800 | BS:4550 (BS:12) |
07-days compressive strenght*,PSI | N.A | 5300-5600 | BS:4550 (BS:12) |
28-days compressive strenght*,PSI | N.A | 6800-7100 | BS:4550 (BS:12) |
Initial set time , minutes | N.A | 160-180 | BS:4550 (BS:12) |
Final set time , minutes | N.A | 220-245 | BS:4550 (BS:12) |
Le-Chatlier expansion, mm | N.A | 1-2 | BS:4550 (BS:12) |
PARAMETERS | SPECIFICATIONS OF CLINKER | SPECIFICATIONS OF CEMENT | TEST METHOD |
---|---|---|---|
Chemical analysis | |||
% SiO2 | 20,80....21,30 | 20,00....21,50 | XRF |
% Al2O3 | 4,05....4,59 | 3,85....4,50 | XRF |
% Fe2O3 | 4,92....5,44 | 4,67....5,17 | XRF |
% CaO | 61,5....62,8 | 62,5....63,7 | XRF |
% MgO | 2,23....2,40 | 1,90....2,50 | XRF |
% K2O | 0,92....1,35 | 0,99....1,24 | XRF |
% Na2O | 0,18....0,25 | 0,17....0,30 | XRF |
% SO3 | 0,70....1,43 | 2,20....2,30 | XRF |
% Cl | 0,008....0,086 | 0,007....0,082 | XRF |
% Free lime | 0,8....2,10 | 0,8....1,5 | BS:4550 (BS:12) |
% Loss on ignition | N.A | 1,0....1,5 | BS:4550 (BS:12) |
% Insoluble Residue | N.A | 0,3....0,6 | BS:4550 (BS:12) |
Calculated modul | |||
Lime Saturation Factor | 91,50....92,50 | 91,50....93,50 | BS:4550 (BS:12) |
Silica Modulus | 2,15....2,30 | 2,15....2,35 | BS:4550 (BS:12) |
Alumina Modulus | 0,72....0,88 | 0,70....0,88 | BS:4550 (BS:12) |
Tricalcium aluminate (C3A) , % | 1,75....3,25 | 0,70....3,20 | BS:4550 (BS:12) |
Physical tests | |||
Liter Weight (5-10 mm) , gm/lt | 1150....1250 | N.A | Hand Sieving |
Blaine , cm2/gm | N.A | 2800....3000 | ASTM |
% Retained on 32 mm | 3,5....10,2 | Nil | Hand Sieving |
% Retained on 25 mm | 8,6....12,5 | Nil | Hand Sieving |
% Retained on 19 mm | 2,5....18,8 | Nil | Hand Sieving |
% Retained on 19 mm | 2,5....18,8 | Nil | Hand Sieving |
% Retained on 90 micron | 97-98 | 1,5....2,5 | Hand Sieving |
% Retained on 45 micron | 98....99 | 20....24 | Hand Sieving |
03-days compressive strenght*,PSI | N.A | 3500....4000 | BS:4550 (BS:12) |
07-days compressive strenght*,PSI | N.A | 4300....4700 | BS:4550 (BS:12) |
28-days compressive strenght*,PSI | N.A | 5800....6100 | BS:4550 (BS:12) |
Initial set time , minutes | N.A | 170....200 | BS:4550 (BS:12) |
Final set time , minutes | N.A | 235....270 | BS:4550 (BS:12) |