Main Products: Vermiculite ,Mica ,Vermiculite Board ,Perlite ,Tourmaline
All Types of Black Pumice Stones
USD $135 - $160 /Ton
Min.Order:20 Tons
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Shijiazhuang Kedahua Imp. & Exp. Trade Co., Ltd.
Business Type: Manufacturer,Trading Company
Shijiazhuang Hebei ChinaMain Products: Vermiculite ,Mica ,Vermiculite Board ,Perlite ,TourmalineProduct Details
1.Chemical Composition:
Elements | SiO2 | CaO | MgO | Fe2O3 | FeO | AL2O3 | TiO2 | K2O | Na2O | SO3 | CL | LOS |
Cotent(%) | 52.54 | 8.57 | 2.49 | 10.00 | 1.36 | 17.06 | 0.05 | 2.50 | 2.93 | 0.33 | 0.01 | 4.95 |
2.Properties:
1.It has lots of holes.
2.Weight is very light.
3.Perfect intensity
4.Heat preservation and thermal insulation, noice insulation.
5.Fireproofing
6.Corrosion and acid-base resisting
7.Non-pollution and no radioactivity, environment protection
3.Physical properties:
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 | |
4.Usage:
Lava is used in construction,irrigation works, grinding, filter material, barbecue charcoal, garden scene, soilless culture, etc. It is also a perfect material used in hot stone therapy, which is good to Promote the body's metabolism.
Alibaba Certifica:
Tel: 86 13722996216
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