China OEM Manufacturer Green Color Iron Oxide Fe2o3 - Raw Gold Crude Vermiculite Or Silver Vermiculite – Glory Star factory and manufacturers

OEM Manufacturer Green Color Iron Oxide Fe2o3 - Raw Gold Crude Vermiculite Or Silver Vermiculite – Glory Star

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OEM Manufacturer Green Color Iron Oxide Fe2o3 - Raw Gold Crude Vermiculite Or Silver Vermiculite – Glory Star Detail:

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.

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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
Golden Vermiculite	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.

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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