Pertile is an acidic volcanic glass with pearl structure. After
heating, it can expand to 12-15times, It possesses the characteristics
of very light, thermal insulation,sound insulation, strong ab-sorption
etc--- It is used in such industries as new build-ing materials,
petroleum chemistry, metallurgy, casting, agriculture, food filter,
and environment protection.
Chemical elements
| Element |
S1O2 |
At2O3 |
Fe2O3 |
CaO |
MgO |
K2O |
Na2O |
| Content |
73.4 |
13,47 |
1.24 |
2.49 |
0.19 |
3.SS |
3.05 |
Pecification and quality
| Spe. |
Capacity kg/m3 |
Ratio |
Water contcut % |
Thermal conductivity (kcal/m.h.w) |
| 4 -7mm |
<120 |
<10
| <10 |
<0.045 |
| 3 -6mm |
<90 |
<8 |
<8 |
<0.045 |
| 2 - 4mm |
<80 |
<8
| <8 |
<0.045 |
| 0.2 -0.5mm |
<50 |
<0.55 |
<2 |
<0.045 |
|
