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          YOUR LOCATION: PRODUCTS->VERMICULITE->SILVER WHITE VERMICULITE

        SILVER WHITE VERMICULITE

        SILVER WHITE VERMICULITE

         Vermiculite Coating chemical formula of (H2O) (loose AlSiO3O10 ~ [x] (OH) 2). is a layered structure of the magnesium aluminum silicate secondary water metamorphic minerals, the shape of mica, usually black (DRC) by hydrothermal biotite alteration or winds. LOCA inflated because of the heat, bringing the bend-like, shape resembles leeches, it said vermiculite. Physical properties : insulated with vermiculite, cold-resistant, antibacterial, fire, water, etc. excellent absorption properties, at 800 ~ 1000 ℃ Roasting 0.5 ~ 1.0 minutes, the volume can be increased rapidly 8 ~ 15 times, up to a maximum of 30 times. Color into white gold or silver, to form a loose texture of the expanded vermiculite, but not acid and its dielectric properties are poor. Chemical Composition : Vermiculite is a complex chemical composition of silicate mineral water, because of its volatility, a single chemical formula said to be difficult. In general, vermiculite and the chemical formula : (Mg, Ca) 0.7 (Mg, Fe3 +, Al) 6.0 [(Al, Si) 8.0O20] (OH4 H2O). Usually, SiO237 ~ 42%, ~ 17% Al2O39, Fe2O35 ~ 18%. MgO11 ~ 23% and ~ 11% H2O5, Ca, Na, K volatile. However, different degrees of hydration, oxidation different role, even with the vermiculite, its chemical composition is also the same difficulties. Main purposes : vermiculite high temperature baking, its volume can be quickly expanded several times to a few times, After the expansion of the vermiculite the average density of 100 ~ 130kg/m3, with a small interval of the air layer, which is a good thermal insulation, heat insulation, acoustic, corrosion resistant freeze construction materials, industrial fillers, paints and refractories. Vermiculite from widely used in construction, metallurgy, chemical industry, light industry, machinery, electric power, petroleum, environmental protection and transportation departments, Foreign mainly used in construction, insulation, packing and agriculture, horticulture and so on.

         

         

         
         
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