Physical Properties |
Colour |
Dull white |
Softening Point [0° C] |
850-950 |
Fusion Point [0° C] |
1150-1250 |
Specific Gravity |
1.9-2.2 |
pH |
7.0-7.7 |
Chemical analysis [values in %] |
Silica Oxide [SiO2] |
74.00 |
Aluminium Oxide [Al2O3] |
13.00 |
Potassium Oxide [K2O] |
4.0 |
Sodium Oxide [Na2O] |
3.0 |
Calcium Oxide [CaO] |
0.7 |
Ferric Oxide [FeO] |
0.8 |
Magnesium Oxide [MgO] |
0.1 |
Titanium Oxide [TiO2] |
0.1 |
Heavy Metals |
Trace |
Moisture Content |
0.8% |
Organic Content |
0.3% |
Chemical analysis [values in %] |
Grade |
MP-200 |
Bulk Density |
160-210 |
Permeability |
0.05-0.09 |
Sieve analysis |
Mesh Size |
% contribution [25gm] |
+100 |
1.23 |
+120 |
0.16 |
+150 |
0.25 |
+200 |
0.63 |
+325 |
1.53 |
-325 |
21.2 |
Packing |
15 kg laminated PP bags |
Specific surface area |
592.7 M2 /Kg |
The figures quoted in this data are, to the best of our knowledge, representative of the product. Perlite being natural material these figures do vary. As conditions of use are beyond our control no liability accepted for any loss or damage arising from the use of this information or any products.