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Zinc Borate Neo-ZB

2ZnO · 3B2O3 · 3.5Н2О

Neo-ZB zinc borate is a zinc hexaborate. It is used as an agent suppressing decay and as an anti-sparking agent.

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    Normalized Characteristics of Neo-ZB Zinc Borate

    Chemical formula
    2ZnO · 3B2O3 · 3.5Н2О
    White powder
    Mass fraction of zinc oxide (ZnO), %
    37.5 ± 2
    Mass fraction of boric anhydride (B2O3), %
    48.0 ± 2
    pH of the water extract
    6.5 – 8.5
    Mass fraction of water and volatile substances, %
    no more than 1
    The remainder on the sieve No. 0045, %
    not more than 0.5

    Neo-ZB Zinc borate (Zinc Borate) is produced by Kostromaneosynthesis LLC in accordance with TU 2146-001-61 914 412-2010

    Description of Zinc Borate

    Use of Zinc Borate

    The product is recommended for most thermoplastics, including polyamides. It is recommended for use in polyurethane thermosetting resins, plastisols, adhesives.

    The product is widely used as a flame retardant and as a smoke suppressor.

    Zinc borate can be used in paints and varnishes as a pigment with anticorrosive properties, fungicidal action.

    Where Zinc Borate is used
    • Synthetic rubbers;
    • PVC;
    • Polypropylene;
    • Polyethylene;;
    • Polyamide;
    • Epoxy resins;
    • Thermoplastics;
    • Polyurethane thermosetting resins;
    • Plastisols.
    Action of Zinc Borate

    Zinc borate retains crystallization water up to temperatures of 280-300 ° C, allowing this product to be used in polymers that require high-temperature treatment.

    This reagent promotes the formation of a strong coke crust on the polymer surface.

    By itself, it forms a glassy mass on the surface, and in the presence of antimony oxides and halogen-containing flame retardants, it promotes the formation of Sb-O-Br groups, and also suppresses smoke formation, catalyzing the formation of polyaromatic structures that eventually form a coke layer.

    Substitution of polymer additives

    Depending on the basis of the polymer used and the required safety standards, zinc borate can be used to partially (in some cases completely) replace other polymer additives (such as antimony trioxide). In some systems, it exhibits synergism with antimony trioxide. In halogen-containing systems, the level used is in the range of 3 - 25 masses. parts per 100 masses. polymer parts.

    In halogen-free systems, the recommended amount is 10 - 250 wt. The parts are usually applied with aluminum hydroxide, magnesium hydroxide or silicone polymer.

    In addition, the introduction of zinc borate into a polymer composition (for example, based on LDPE) can significantly improve the adhesive properties of the material.

    Product range

    The range of chemical products of KostromaNeoSyntez is constantly expanding. At our site there are borates, which successfully proved themselves at the production facilities of many Russian companies or are in the process of active introduction into production

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