在线聊天
Specifications
1.High grade of Insulation2.Expansion ratios:5.5-11times.
3.Color:silver,golden
4.Size:0-8mm.
5.Hebei and XInjiang Mine.
1.Main advantages and features of expanded vermiculite:
- Inorganic, inert and sterile.
- Non abrasive.
- Ultra light weight.
- Free from disease, weeds and insects.
- Slightly alkaline.
- High cation-exchange.
- Excellent aeration characteristics.
- High water holding capacity
- Insulating.
2.Chemical Properties
Composition | SiO2 | MgO | Al2O3 | Fe2O3 | CaO | K2O | ph |
Percentage | 37-42 | 11-23 | 9-17 | 3.5-18 | 1-2 | 5-8 | 7-11 |
3.Vermiculite size:
Expanded vermiculite
| Silver vermiculite: 20-40mesh, 40-60mesh, 60-80mesh,80-120mesh, 200mesh, 325mesh, 1250mesh, 2500mesh, 0.3-1mm, 1-3mm, 2-4mm, 2-5mm, 3-6mm, 4-8mm, 1-5mm, 1-8mm, or according to customers requirement. |
Golden vermiculite: 20-40mesh, 40-60mesh, 60-80mesh,80-120mesh, 200mesh, 325mesh, 1250mesh, 2500mesh, 0.3-1mm, 1-3mm, 2-4mm, 2-5mm, 3-6mm, 4-8mm, 1-5mm, 1-8mm, or according to customers requirement. |
- Special size is supplied as per customer' demands.
4.Expanded vermiculite bulk density:
Vermiculite grade | Vermiculite size | Bulk density | Impurity | Moisture |
Super fine | 0.3-1mm | 120-150kgs/m3 | 2%max |
0.1%max |
Fine | 1-2mm 1-3mm | 110-130kgs/m3 | 3%max | |
Medium | 2-4mm | 90-120kgs/m3 | 3%max | |
Large | 3-6mm 4-8mm | 90-120kgs/m3 | 3%max | |
Powder | 150mesh,200mesh, 325mesh,500mesh, 600mesh,20-40mesh,40-60mesh, 60-80mesh 80-120mesh | 110-250kgs/m3 | 1%max |
Special size is supplied as per customer’s demands
5.Applications:
Expanded vermiculite applications | |
In Inudstry | In Horticulture |
Gaskets or seals | Soil improvement |
Fireproofing | Fertilizer carrier |
Insulation in steel works and foundries | Hydroponic |
packing material | Seed germination |
Animal feedstuffs | House plants |
Friction lining | Transplanting |
| Rooting cuting |
Factory:
Machine:
Expanded vermiculite:
SGS Certificate:
