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Color: | Red ,Black |
Size : | 1-3mm/2-4mm/3-6mm/4-8mm/5-10mm/1-2cm/2-4cm/4-8cm/5-10cm /10-20cm/20-40cm/40-80cm ; 20-40mesh,40-80mesh,80-120mesh,200mesh, 352mesh, etc. |
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 |
Chemical Specification: | |||||||||||||||
SiO2 | CaO | MgO | Fe2O3 | FeO | Al2O3 | TiO2 | K2O | Na2O | |||||||
53.82% | 8.36% | 2.46% | 9.08% | 1.12% | 16.89% | 0.06% | 2.30% | 2.55% |
Physical properties: | ||||||||
Volume-weight(kg/m3) | 430-870 | |||||||
Water absorption | 11.7-17.03% | |||||||
Loose volume-weight(kg/m3) | 520 | |||||||
Cylinder pressure strength | 1.218Mpa | |||||||
Moisture | 1% | |||||||
Mechanical Intensity | 5.08Mpa | |||||||
Heat conductivity coefficient w/(m.k) | 0.326 | |||||||
Soften coefficient | 0.84 | |||||||
Apparent density | 640-860/(390*240*190) Kg/m | |||||||
Hollow ratio(%) | 48/(390 *240 *190) |
Application | ||||||||
1) Construction | 2) Agriculture | 3) Grinding | 4)Horticulture | 5) Barbecue charcoal | ||||
6) Garden landscaping | 7) Soilless culture | 8) Ornamental stone | 9) Aquarium | 9) Aquarium | ||||
10) Filter material | 11) Water conservancy |