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Environmentally Safe Gardening?Agriculture Grade?Expanded Vermiculite?
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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.
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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.
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| 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 |
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Chemical composition of expanded vermiculite:
Expanded vermiculite is used in a wide number of markets including construction, industrial, horticulture and agriculture.
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Vermiculite for Agriculture
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Expanded?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.
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Vermiculite for Insulation
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Good thermal insulation, low density and its natural refractory properties combine with ease of application to make vermiculite a highly suitable material for use in steelworks and foundries. It is used for hot topping molten steel to reduce heat loss from ingots and ladles and generally as a loose-fill insulator.
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Vermiculite for Lightweight Concretes
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Vermiculite concretes are lightweight, have good insulating properties and are intrinsically fire resistant. Vermiculite concretes may be used for insitu roof and floor screeds and in the fabrication of pre-cast products. Vermiculite concretes can also be used for insulating around back boilers and as a fire back support material.
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Packing:100L white poly woven bags or jumbo bags
Loading quantity:300Bags in 1*20'GP,730Bags in 1*40'HQ,different quantity is acceptable.
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| 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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