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Agriculture and Horticulture Grade Growing Medium Expanded Vermiculite
Flakes of raw vermiculite concentrate are micaceous in appearance and contain interlayer water in their structure. When the flakes are heated rapidly at a temperature above 870° C, the water flashes into steam, and the flakes expand into accordion like particles. This process is called exfoliation, or expansion, and the resulting lightweight material is chemically inert, fire resistant, and odorless.
In lightweight plaster and concrete,vermiculite provides good thermal insulation. Vermiculite can absorb such liquids as fertilizers, herbicides, and insecticides, which can then be transported as free-flowing solids.
| Product Name | Expanded Vermiculite |
| Color | Silver and Golden |
| Szie | Granular : 0.3-1mm,1-3mm,2-4mm,3-6mm,4-8mm,10-20mm |
| Powder:20-40mesh | |
| MOQ | 300Bags |
| Characteristics | Heat-resistant, corrosion-resistant, well-ventilation, water preservation, poisonless, odorless, non-asbestos, lighter,Low density etc |
| Application | Horticulture,Viticulture,Agriculture,Industrial,Construction |
Chemical composition of expanded vermiculite:
Most applications for vermiculite use an exfoliated (heat expanded) form of the mineral. In general, coarser grades of vermiculite are used as loose fill insulation and in horticulture. Finer grades are used in wallboard and plasters and for animal feeds and fertilizers.
Vermiculite for Gardening
Vermiculite has a high cation exchange capacity which facilitates the uptake of nutrients in plants, one of the reasons it's used in potting mixes.
It loosens the soil so that the roots can easily reach down and grow through the soil.
Greenhouse/Vermiculite is well established as a growing medium. It is most commonly used in compost formulations, usually in combination with peat or coir. Vermiculite/peat or coir compost formulations provide ideal conditions for plant growth. The presence of vermiculite particles in the compost aids aeration, improves moisture retention and promotes the steady release of added fertilisers, whilst the vermiculite itself contributes potassium, magnesium and a number of minor elements.
Vermiculite for Pool base material
Vermiculite is the usual choice of floor material for inground vinyl liner pools. it is not the cheapest option for your floor, but it is long lasting and one of the easier floor materials to install. This article covers the necessary steps and supplies for installing your own vermiculite and cement pool floor.
Packing:100L white poly woven bags or jumbo bags
Loading quantity:300Bags/20'GP,730Bags/40'HQ
| Ningshu Service | High Quality, Good Service, Competitive Price, Delivery On Time |
| Sample Policy | Free sample is ready on your request, you just need to pay the freight cost |
| Customized service | All products size and package can be customized according to your requirements |
| MOQ | 300 Bags |
| Payment Term | L/C, T/T, Western Union,Money Gram, Paypal |
| Trade Terms | FOB, CFR, CIF |
| Delivery time | 10-15days after the deposit received |
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