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    1.Introduction Agricultural perlite provides more constant moisture status aroun the roots at all times irrespective of we ather or stage of root growth. · Perlite ensures more even watering throughout the grwoing area. · Thera is less probability of over-watering with horticutlural perlite. ·...

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    1.Introduction

    Agricultural perlite provides more constant moisture status aroun the roots at all times irrespective of we ather or stage of root growth.

    · Perlite ensures more even watering throughout the grwoing area.

    · Thera is less probability of over-watering with horticutlural perlite.

    · Perlite culture avoids wasting of water and nutrients.

    · The use of perlite eliminates the need to grade growing floors accurately.


    2.Specification

    Agriculture and horticulture grade:1-3mm,2-4mm,3-6mm,4-8mm

    Perlite filter aid grade: 30-50mesh,50-70mesh,70-90mesh,90-120mesh,120-200mesh etc

    Construction and industry grade: 30-50mesh,50-70mesh,70-90mesh,90-120mesh etc

    Special expanded perlite: water-resistant expanded perlite 


    3.Chemical Composition

    SiO2

    Al2O3

    Fe2O3

    MgO

    CaO

    70-75%

    12-16%

    0.15-1.5%

    0.2-0.5

    0.1-2.0%

    Na2O

    TiO2

    MnO

    P2O5

    K2O

    2.5-5.0%

    0.05-1.0%

    0.05-1.0%

    0.01-0.05%

    4-6%


    4.Application

    Industry Perlite Application

    Heat insulation

    Sound absorbtion

    Light weight constructions

    Fire defence

    Heat insulatuion of ovens, kettles, tanks and in the metallurgy

    Cryogenics (insulation against heat)


    Agriculture Perlite Application

    ·Perlite ensures more even watering throughout the grwoing area.

    ·Thera is less probability of overwatering with horticutlural perlite.

    ·Perlite culture avoids wasting of water and nutrients.

    ·The use of perlite eliminates the need to grade growing floors accurately.


    Construction Perlite Application

    Because of perlite's outstanding insulation, light weight, fire retardant and sound control characteristics and its being rot, vermin and termite resistant perlite is widely used in the following construction applications.


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