1.Color:silver ,gold 2.Size:0.7-2,0.3-1, 1.4-4,2.8-8mm 3.Expansion ratios:5.5-10times 4.Impurity:18%max 5.Origin:Hebei
1.Product introduction
Vermiculite, chemical formula Mg × (H2O) [Mg3 × (AlSiO3O10) (H2O)], is a magnesium water included aluminum silicate secondary metamorphic minerals of layered structure. It likes mica in form, and usually come from weathered or hydrothermal alterated black (gold ) Mica. It will present a deflection shape after heat expansion and water loss, liking a leech pattern in form , so it gets the name vermiculite
2.Raw ermiculite consists of silver and gold vermiculite classified into diffrent size
Raw golden vermiculite | 0-30um,0.3-0.65mm,0.65-1mm 20-40mesh,10-40mesh, ,0.3-1mm 1.5-2.5mm,1-2mm,2-4mm,3-8mm,4-8mm, |
Raw silver vermiculite | 0.25-0.7mm,0.3-1mm,1-2mm,2-4mm,3-8mm,4-8mm,20-40mesh,40-60mesh |
Special size ,we can do as client's demands
3.Raw vermiculite chemicals analysis
Composition | SiO2 | MgO | Al2O3 | Fe2O3 | CaO | K2O | ph |
Percentage | 37-42 | 11-23 | 9-17 | 3.5-18 | 1-2 | 5-8 | 7-11 |
The chemical analysis of both crude and exfoliated vermiculite is the same.
4.Vermiculite usage :
In Construction | In Industry | In Agriculture |
1.Fireproof Board | 1.Thermal Insulation.Refracory | 1.Horticulture |
2.Loosefill Insulation | 2.Sound Absorption Loose Filling | 2.Soil improvement |
3.construction Coatings | 3.Gaskets or Seals | 3.Fertilizer Carrier |
4.Lightweight Concretes | 4.Friction Linings | 4.Hydroponics |
5.Vermiculite Screeds | 5.Packing Materials | |
6.Vermiculite Plasters | 6.Animal Feedstuffs |
5.packing :PP woven bag or depend on client 's requirements
6.Price :it is negotiated as per vermiculite specification ,quality ,quantities client require
7.Sample : available
Golden color vermiculite
Silver color vermiculite
In Agriculture
Packing and Processing
Our advantage:
1. Our company deals in this field for over 20 years. We are one of the oldest sellers in China. We have rich experience.
2. Our company has our own factory; we could handle both export and production.
Any question or requirement, please feel free to contact with us any time
Our trademanager will be24 hours on line
Unexpanded Vermiculite,Vermiculite Perlite For Sale CR-212