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  • Perlite
    Perlite is a volcanic debris encountered the acidic lava lakes, marine after a sharp cooling after a vitrified form of volcanic rock, which formed in the late Jurassic to the Cretaceous period, which is some 100 million 5 3 1000 millions of years. According to the internal crystalline water content in different areas into obsidian, perlite
    Perlite is to smash the magmatic rocks heated to 1000 ° C to form the above expansion, with a closed porous structure, Particle diameter is generally 0.5 ~ 2.5mm between. Light, good ventilation, no nutritional elements. Easy to use in the mixed culture floating on the surface of soil
    Perlite Perlite
    Perlite the main chemical components: SiO2 CaO Al2O3 Na2O Fe2O3 K2O
    70-75 % 0.1-2.0 % 12-16 % 1.0-5.0 % 0.1-1.5 % 1.0-5.0 %

    Major uses expanded perlite
    1 Construction areas : thermal insulation, fire retardant paint, sound-absorbing panels, and so on
    2 Industrial fields Pipe insulation, cold insulation insulation, filtration materials, the process of steelmaking slag build sets, rubber plastic filling material
    3 Agriculture horticultural areas : soilless cultivation, soil improvement, pesticides ease amid antiseptic
    Vermiculite
    Vermiculite is a layered structure of the magnesium aluminum silicate secondary water metamorphic minerals, ore outside like mica, usually black (DRC) by hydrothermal biotite alteration or winds, because the heat was dehydrating inflates deflection form shape resembles leeches, it said vermiculite.
    Vermiculite the chemical formula for MgCa0.7MgFeAl6.0[AlSi8.0]OH4.8H2O
  • The North Mineral Factory is specialized in vermiculite, mica, quartz, feldspar, zeolite, sepiolite, tourmaline, calcium carbonate and other mineral's produce and processing. Our factory is located in Shijiazhuang City and was built in 1997.It is developed about 30 acres and has a good conven... View More
  • Company Name :North minerals company
    Business Type :Distributor/Wholesaler
    Company Address :NO.618 gongnong road shijiazhuang city
    Postal Code :Manager
    Contact Person :denise
    Mobile Phone :15176965602
    Tel :86_311_85232125_
    Fax :86_311_85330543
    WebSite: Supplier WebSite
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