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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 |
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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 |
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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 |
? | ? | Lightweight Concretes | Brake pads & brake shoes |
? | ? | ? | Fixation of hazardous material |
? | ? | ? | Paints |
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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.
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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)] | ? |
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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. | ? |
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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:
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Golden vermiculite photos:
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VermiculiteApplications:
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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.
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SGS Certificate:
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TEL:86 13722996216
