- Plant Extract[7]
- Printing Machinery Parts[7]
- Metal Building Materials[1]
- Stainless Steel Balls[1]
- Pharmaceutical[1]
- Organic Acid[1]
- Charcoal[1]
- Chemical Auxiliary Agent[1]
- Other Inorganic Salts[1]
- Other Camping & Hiking Products[1]
- Tool Parts[7]
- Refractory[1]
- Other Landscaping Stone[3]
- Other Iron[3]
- Magnetic Materials[1]
- Contact Person : Mr. Wang Gavin
- Company Name : Beijing Winvono Int'l Trade Co., Ltd.
- Tel : 86-10-52835158
- Fax : 86-10-59767725
- Address : Beijing,Beijing,Room 2011,Bldg A ,Ronghua south RD 16,Yizhuang developing area, Beijing,China.
- Country/Region : China
- Zip : 100176
Black Volcanic Stone
Product Description
Volcanic rock filter media(F02), Filter media in water treatment Volcanic rock filter media(F02) advantage: Volcanic rock makes and excellent biological and mechanical filter media High poros Ideal for biofall, barrel and similar pond filters Ideal for wet/dry and canister aquarium filter
Average Parameters of Physical Performance Test for Volcanic filter
Performance | Unit | Test Result | Performance | Unit | Test Result |
Bulk density | Kg/m3 | 740 | BET | m2/g | 13.6-25.5 |
Specific density |
| 1:1.29 | Compressive strength | Mpa | 5.78 |
Moisture | % | 0.9-1.0 | Shear strength | Mpa | 3.98 |
Porosity | % | 73-82 | Friction loss rate | % | <1 |
Organic matter removal | % | Above 80 | Start time for hanging film | Hour | 27 |
COD removal | % | Above 85 | Hydrochloric acid soluble rate | % | <1.0 |
BOD removal | % | 75-93 | Stripping material | Containing beneficial micro-minerals and trace elements | |
Ammonia, nitrogen removal | % | Above 85 | Appearance | Full particles, similar to the globular | |
Main Chemical Composition of Volcanic filter
Chemical composition | SiO2 | CaO | MgO | Fe2O3 | Al2O3 |
Content % | 43.27 | 9.86 | 1.49 | 11.86 | 14.71 |
Black Volcanic Stone
