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    Pearlite

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    • Name: Pearlite
    • Model: 1001.08
    • Views : 82

    Pearlite

    Pearlite is a kind of white or light-colored high-quality insulating material made by acid volcanic vitreous lava.It is a non-toxic and odorless material.

    Physical and chemical properties of expanded pearlite
    (Implementation standards JC/T209-1996)

    Physical properties

    Chemical compositions

    Exterior

    Grey peppets

    SiO2

    68-74

    Specific gravity

    2.2-2.4g/cc

    Al2O3

    12-16

    Vickers hardness

    5.5-7

    Fe2O3

    0.1-2

    Softening point

    890-1090℃

    CaO

    0.15-1.5

    Melting point

    1280-1350℃

    Na2O

    4-5

    PH

    6.5-7.5

    K2O

    1-4

    Liquid solubility

    ＜0.1%

    Loss in burning

    4-8

    Acid solubility

    ＜2%

    MgO

    0.3

    Dioptre

    1.483-1.506

    		    

    Main use:
    ● It can be used in filter liquid, oil, medicine, food and dirty water.
    ● It can be used as filling and dilating agent in rubber, painter and plastic, etc.
    ● It can be used as catalyst in explosives.
    ● It can be used to absorb floating oil.
    ● It can be used in agriculture and gardening to improve the soil and withhold water and fertilizer.

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