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Product Description
Vermiculite flake is the name of vermiculite raw ore and the general name of unexpanded vermiculite. After the vermiculite is mined out, the impurities are removed, and the surface of vermiculite is flaky. Therefore, it called vermiculite flake, which is also called raw ore vermiculite, raw vermiculite, unexpanded vermiculite and non foamed vermiculite.
Raw vermiculite is a natural mineral, non-toxic, will expand at high temperature under the action of mineral. It is alternatively rare mineral, which belongs to the portland. The crystal structure is monoclinic, from the shape it looks like mica. Certain granite hydrated vermiculite is generated. The ability of ion exchange vermiculite, its soil nutrition has a great role.Vermiculite can be used as construction materials, adsorbents, fireproof insulation, mechanical lubricant, soil conditioner and so on, a wide range of uses.
Specification
|
Size |
Density |
Moisture |
Expansion Rate |
|
0.3-1 mm |
2.4-2.7g/cm³ |
3% max |
6-20 times |
|
1-2 mm |
2.4-2.7g/cm³ |
3% max |
7-20 times |
|
2-4 mm |
2.4-2.7g/cm³ |
3% max |
7-20 times |
|
4-8 mm |
2.4-2.7g/cm³ |
3% max |
7-20 times |
Types of Vermiculite
| Golden raw vermiculite | Silver raw vermiculite |
| 0.3-1mm | 0.3-1mm |
| 1.5-2.5mm | 1-2mm |
| 2.5-6mm | 2-4mm |
| 3-8mm | 4-8mm |
| Other specification: 20-40mesh, 60mesh, 80mesh, 100mesh, 325mesh etc. | |
Chemical Composition of Vermiculite
| Golden Vermiculite | element | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | TiO2 | K2O |
| content % | 43.75 | 15.55 | 15.8 | 1.32 | 8.98 | 1.67 | 5.19 |
Processed Vermiculite
Vermiculite may be milled before or after exfoliation according to the range of particle sizes required. Such milled or ground material may be used for the production of sound-absorbing coatings; Condensation control paints; High performance gaskets and seals and for upgrading the fire resistance of organic foams and other polymer based system. Exfoliated vermiculite can be colored to suit its end use.
Certificate
Our factories have achieved ISO Certificate, 23 technologies have obtained national patents.
Application
Agriculture
Improve soil or correct soil deficiencies(e.g.to lighten clay soils).
Vermiculite is used as a carrier and extender for fertilizer.
Expanded vermiculite is a good medium for the stimulation of roof growth.
Expanded vermiculite is a major element in hydroponics growing system.
Industry
Gaskets or seals; Fireproofing
Packing materials; Animal feedstuffs
Friction linings; Refractory products
Insulation in steelworks and foundries
Building
Bitumen coated vermiculite plates
Construction coatings; Lightweight concretes
Loose fill insulation; Vermiculite plasters
Fireproof board
Succulents
Cuttage
Animal hatching
Animal hatching
Plant seeding
Mix with soil
Specification
1-2mm, 0.3-1mm, 20-40 mesh.
1-2mm
0.3-1mm
0.3-1mm
20-40 mesh
Packaging
1.0mt-1.2mt jumbo bag. Could be customized as required.
Factory Tour
Customer Vist & Exhibition
|
Size |
Density |
Moisture |
Expansion Rate |
|
0.3-1 mm |
2.4-2.7g/cm³ |
3% max |
6-20 times |
|
1-2 mm |
2.4-2.7g/cm³ |
3% max |
7-20 times |
|
2-4 mm |
2.4-2.7g/cm³ |
3% max |
7-20 times |
|
4-8 mm |
2.4-2.7g/cm³ |
3% max |
7-20 times |
What Our Customers Say About Silver Vermiculite
Silver Vermiculite Frequently Asked Questions
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What is silver vermiculite?
Silver vermiculite is a specific type of exfoliated vermiculite that has a shiny, silvery appearance.
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How is silver vermiculite used in gardening?
Silver vermiculite is commonly used in horticulture to improve soil structure. It enhances water retention, provides excellent aeration, and helps with root development.
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What makes silver vermiculite different from regular vermiculite?
Silver vermiculite is distinguished by its reflective, metallic sheen, which is a result of its higher level of expansion during the exfoliation process.
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What are the benefits of using silver vermiculite for plants?
Silver vermiculite retains moisture and nutrients, preventing the soil from drying out quickly. It also promotes better root aeration, reduces compaction, and ensures proper drainage.
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Can silver vermiculite be used for hydroponics?
Yes, silver vermiculite can be used in hydroponic systems, either alone or mixed with other growing mediums like perlite.
-
Is silver vermiculite safe to use in gardening?
Yes, silver vermiculite is safe to use in gardening. It is non-toxic and poses no harm to plants or the environment.
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