| SPECIFICATIONS OF PERLITE | |
|
PHYSICAL PROPERTIES |
|
|
APPEARANCE |
Dull White. |
|
SPECIFIC GRAVITY |
2.34. |
|
DRY LOOSE DENSITY (gms/cc) |
0.115 to
0.140.
|
|
WET CAKE DENSITY [gms/cc (max)] |
0.232. |
|
% MOISTURE AT 1050 C. (max) |
1.5. |
|
WATER ABSORPTION (as % by wt of DICAMOL) |
270 to 300. |
|
OIL ABSORPTION (as % by wt of DICAMOL) |
240 to 270. |
|
HYGROSCOPICITY |
Nil. |
|
FLOW RATIO (414 = 100) |
650. |
|
MEAN PARTICLE SIZE (Microns) |
8.0. |
|
% RETAINED ON 140 MESH (Max.) |
6.0 |
|
% RETAINED ON 325 MESH (Max.) |
40.0. |
|
CHEMICAL ANALYSIS |
|
|
SILICON DIOXIDE % |
71 to 76. |
|
ALUMINIUM OXIDE % |
10 to 14. |
|
FERRIC OXIDE % (Max) |
0.40. |
|
FERROUS OXIDE % (Max) |
0.50. |
|
CALCIUM OXIDE % |
0.50. |
|
MAGNESIUM OXIDE % |
0.20. |
|
SODIUM OXIDE % |
3 to 4. |
|
POTASSIUM OXIDE % |
4 to 5. |
|
ORGANIC MATTER % |
Nil. |
|
pH SLURRY 10% IN WATER |
6 to 9. |
|
LOSS ON IGNITION % (Max) |
1.5. |