1.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 |
2. hysical properties:
Item | Specifications | Item | Specification |
Expansion ratios | 5.5-11times | Bulk density of expanded vermiculite | 90-270kgs/m3 |
Thermal Conductivity | 0.045 - 0.069w/m °C Under ambient conditions | asbestos | None |
Hardness | 1-1.5 | Compressive resistance | 100-150 Mpa |
Melting point | 1320°C-1370°C | Corrosion resistance | Alkali-resistant |
3.Vermicultie applications:
Agriculture | Horticulture | Construction | industry |
Animal feed | Blocking mixes | Sound Absorption Loose Filling | Thermal Insulation.Refracory |
Anti-caking material | Hydroponics | Air setting binder | Sound Absorption Loose Filling |
Bulking agent | Micro-propagation | Construction Coatin | Gaskets or Seals |
Fertilizer | Rooting cuttings | Fireproofing Board | Friction Linings |
Seed encapsulant | Seed germination | Gypsum plaster | Packing Materials |
Soil conditioner | Sowing composts | Loft insulation | Drilling muds |
Pesticide | Potting mixes | Vermiculite Screeds | Filtration |
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| Lightweight Concretes | Brake pads & brake shoes |
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| Fixation of hazardous material |
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| Paints |
4.Vermiculite size:
Raw vermiculite | Raw Siver vermiculite: 0.1-0.6mm,0.3-1mm,0.7-2mm,1-2mm,2-4mm,2.8-8mm,3-6mm,4-8mm |
Raw Golden vermiculite: 0.3-1mm, 1.5-2.5mm, 1.5-3.5mm, 1-2mm, 2-4mm, 3-6mm, 4-8mm,etc | |
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.
5.Expanding ratio:
Vermiculite Specifies | Vermiculite size | Expansion ratio | Impurity |
Silver vermiculite | 0.3-1mm | 7-11times | 1.Impurity:5%-15% |
0.7-2times | 9-10times | ||
2-4mm | 11times | ||
Golden | 2.8-8mm, | 11-12times | |
0.3-1mm | 7-9times | ||
1.5-2.5mm | 7-9times | ||
1.5-3.5mm | 8times |
6.Other informations:
Chemical formula | M g × (H2O) [Mg3 × (AlSiO3O10) (H2O)] | |
Vermiculite type | Raw vermiculite ,expanded vermiculite | |
Color | Silver ,golden | |
Certificate of quality | SGS,MSDS,Non-asbestos testing report ,Chemical testing report | |
Features | Raw vermiculite will be expanded to many times when heated at 850-1100 °C, poisonless, odorless , corrosion-resistant, Non-combustible , natural refractory properties , Good thermal insulation , low density ,etc | |
Packing | Raw vermiculite :1ton bags,1.2ton bags or 1.25ton BAG. | |
Trade terms | FOB, CNF, CIF | |
Payments terms | 1).T/T | |
2).Irrevocable L/C | ||
Delivery time | 1).After we receive deposit within 7-15days | |
2).After we receive L/C within 7-15days |
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Our Factory:
Golden vermiculite photos:
VermiculiteApplications:
1. Produce and transport the cargo.
2. Design and produce all kinds of packing.
3. Apply customs.
4. Supply all documents customers require.
5. Supply service after customers receive the cargo.
SGS Certificate:
TEL:86 13722996216