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| Description |
Units |
Ravituff-99 |
Ravituff-95 |
Ravituff-90 |
Eco-Alumina |
Steatite / SAZ |
| Density |
gm/cc |
3.9 ± 0.05 |
3.7 ± 0.05 |
3.5 ± 0.05 |
3.5 ± 0.05 |
2.8 ± 0.05 |
| Porosity |
% |
Nil |
Nil |
Nil |
Nil |
Nil |
| Alumina Content |
% |
99.5 |
95 |
90 |
85 |
-- |
| Tensile Strength |
kpsi |
36 ± 3k |
25 ± 3 |
24 ± 3 |
22 ± 3 |
8.5 ± 1 |
| Compressive Strength |
kpsi |
360 ± 10 |
300 ± 10 |
280 ± 10 |
275 ± 10 |
120 ± 5 |
| Transverse Breaking Strength |
kpsi |
50 ± 4 |
48 ± 4 |
46 ± 4 |
45 ± 4 |
18 ± 2 |
| Hardness |
R45N |
82 ± 3 |
80 ± 3 |
75 ± 3 |
72 ± 3 |
60 ± 3 |
| Surface Finish on lapped face |
Micron |
Less than 0.3 |
Less than 0.3 |
-- |
Less than 0.3 |
Less than 0.3 |
| Flatness |
Light Band |
Within 2 |
Within 2 |
-- |
Within 2 |
Within 2 |
| Parallelism |
Micron |
Within 20 |
Within 20 |
-- |
Within 20 |
Within 20 |
| Colour |
-- |
Ivory / White |
White / Pink |
White |
Pink |
White / Blue |
| Applications |
-- |
Chemical Seals, Sleeves, etc. |
Ceramic Seal faces, Thread Guides, etc. |
Grinding Media Balls, Wear Resistant Tiles & Ballmill Liners |
Ceramic Seal Faces |
Ceramic Seal Faces |
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