Poly Vinyl Alcohol (PVA) PVA 1799

    Other Trading Names:

    • PVOH
    • Alcotex
    • Gelvatol

     

    Type of Packaging :

    • 20kg sealed bag
    • 50kg sealed bag

    FOB Price (Per Ton)

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    Buy Poly Vinyl Alcohol Online

    Buy Poly Vinyl Alcohol Online is a water-soluble synthetic polymer. It is usually hazy white and does not have any distinct odor. It is usually supplied in powders or pellets but can be supplied as solutions or beads.

    Chemical application and strengths:
    Polyvinyl alcohol has quality adhesive and emulsifying properties. Has high flexibility and tensile strength. It is insoluble and resists organic solvents, grease, and oil. It has strong aroma and high oxygen barrier properties. Most of these properties are dependent on humidity levels with high levels reducing its tensile strength.

    PVA is used in several areas, as follows:

      • It is used as a release liner in paper coatings
      • It is used as a modifier and thickener in polyvinyl acetate glues
      • Works as a carbon dioxide barrier in the production of terephthalate bottles (PET)
      • Used in the production of chemical-resistant gloves
      • Used as a fixative in the collection of specimens especially stool in laboratory examinations
      • In optometry, it is used as synthetic eye drops for the treatment of dry eyes. For people who use contact lenses, it is used as a lubricant on the lenses.
      • It is used as a water-soluble film in packaging. It is common in envelopes that contain laundry detergents
      • It is used to make female hygiene products as well as adult incontinence products such as biodegradable plastic backing sheet
      • It is combined with boric acid in the production of solid boards and spiral tubes
      • It is used in 3D printing processes as a support structure that is dissolved away after the printing is completed.
    • It is used as a surfactant, which leads to the formation of polymer-encapsulated nanobeads
    Type Item Hydrolysis % (mol/mol) Viscosity mpa.s Volatil e(%) <= Ash (%) pH Purit y (%) >=
    Fully hydrolyzed grades PVA04- 98.0-98.8 4.0-5.0 5 0.5 5-7 93.5
    PVA05- 98.0-99.0 5.0-6.5 5 0.7 5-7 93
    PVA10- 98.0-99.0 9.0-11.0 5 0.7 5-7 93
    PVA17- 98.0-99.0 23.0-29.0 5 0.5 5-7 93.5
    PVA20- 98.0-99.0 34.0-39.0 5 0.5 5-7 93.5
    PVA24- 98.0-99.0 55.0-65.0 5 0.5 5-7 93.5
    PVA26- 99.0 68.0-78.0 5 0.5 5-7 93.5
    Medium hydrolyzed grades PVA17-92 91.0-93.0 21.0-27.0 5 0.5 5-7 93.5
    Partially hydrolyzed grades PVA04- 86.0-89.0 4.0-4.5 5 0.5 5-7 93
    PVA05- 87.0-89.0 4.0-6.0 5 0.5 5-7 93
    PVA17- 87.0-89.0 20.5-24.5 5 0.5 5-7 93.5
    PVA20- 87.0-89.0 29.0-34.0 5 0.5 5-7 93.5
    PVA24- 87.0-89.0 45.0-55.0 5 0.5 5-7 93.5

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