| Cobblestone filter |
 |
I produced a supporting layer of gravel filter, is the result of natural river excavation, screening, selection is made of water, pure white and variegated spherical shape, there are mechanisms for processing quartz pebbles and gravel. This product is no impurity, density .66, 98.5% silicon content, the mechanical strength of 7.5, water works, mechanical filters, ion exchange, etc. Yin and Yang must be material. Common Specifications (mm) :2-4 ,4-8 ,8-16 ,16-25 ,25-32 ,32-50.
|
| Chemical composition of quartz sand |
Analysis Project |
Test data |
Analysis Project |
Test data |
SiO2 |
≥98％ |
Mud content... |
≤0.2％ |
density |
2.6/cm3 |
content |
1.85g/cm3 |
Mud content |
＜0.1% |
（CN）content |
|
|
|
Clean water medicament series
