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Fine Particle grades PVA

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    Fine Particle Grades(S-Grade)
    Item Mesh size Viscosity
    (mpa.s)
    Alcoholysis
    (mol)
    Volatile(%) Sodium  Acetate
    (%)
    Ash(%) PH
    04-88 S80 80 3.0-4.5 86.0-90.0 7.0  2.5  0.7  5-7
    17-99 S120 120 20.0-26.0 98.0-100.0 7.0  2.5  0.7  5-7
    17-99 S80 80 20.0-26.0 98.0-100.0 7.0  2.5  0.7  5-7
    17-99 S50 50 20.0-26.0 98.0-100.0 7.0  2.5  0.7  5-7
    05-88 S80 80 4.0-6.0 86.0-90.0 7.0  2.5  0.7  5-7
    17-80 S80 80 18.0-24.0 86.0-90.0 7.0  2.5  0.7  5-7
    20-88 S80 80 28.0-40.0 86.0-90.0 7.0  2.5  3.0  5-7
    24-88 S80 80 40.0-55.0 86.0-90.0 7.0  2.5  0.7  5-7

     

    Add water at room temperature in the dissolving tank.

    Start the agitator, slowly add calculated amount of PVA into the tank.

    Keep PVA swelling in the water at room temperature for about 30min, and then raise the temperature of the PVA aqueous solution, when the temperature reaches 90-95℃, keep the temperature for 1-2hours.

    PVA can completely dissolve.

    Qingdao Eastchem Inc.

     

    Qingdao Eastchem Inc.

     

    Qingdao Eastchem Inc.

     

    Qingdao Eastchem Inc.

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