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Zinc Borate Supplier - China

price: contact company for price


White crystal powder, without poison, flavor and corrosiveness. Doesn't dissolve in water and other organic solvent, is easy dissolved in hydrochloric acid & sulfuric acid, etc. Good thermal stability, small granule size, less specific gravity and easy dispersed. Good miscibility with most of the polymer. Fewest smoke when burning, excellent performance in inflaming retarding.


1. Zinc borate is primarily used as a flame retardant in plastics and cellulose fibers, paper, rubbers and textiles, so it is also can be called borate fire retardant.

2. It is also used in paints, adhesives, and pigments.

3. As a zinc borate flame retardant, it can replace antimony trioxide as a synergist in both halogen-based and halogen-free systems.

4. It is an anti-dripping and char-promoting agent, and suppresses the afterglow.

5. In electrical insulator plastics it suppresses arcing and tracking.

6. In halogen-containing systems, zinc borate is used together with antimony trioxide and alumina trihydrate. It catalyzes formation of char and creates a protective layer of glass. Zinc catalyzes the release of halogens by forming zinc halides and zinc oxyhalides.

7. In halogen-free system, zinc borate can be used together with alumina trihydrate, magnesium hydroxide, red phosphorus, or ammonium polyphosphate. During burning the plastics, a porous borate ceramics is formed that protects the underlying layers. In presence of silica, borosilicate glass can be formed at plastic burning temperatures.

8. Zinc borate is used in polyvinyl chloride, polyolefins, polyamides, epoxy resins, polyesters, thermoplastic elastomers, rubbers, etc.

9. It is also used in some intumescent systems.

10. Zinc borate has synergistic effect with zinc phosphate or barium borate as a corrosion inhibitor pigment.

11. Zinc borate acts as a broad-spectrum fungicide in plastics and wood products.

12. Zinc borate can be used as a flux in some ceramics. In electrical insulators it improves the ceramics properties.

Company Contact:

  • Phone: 862045785142

  • Address: jiangsu,chian, jiangsu, China

  • Email: Email

Published date: November 18, 2013 -

  • Business Description: SILICA GEL supplier Fenglong Chemical Co., Ltd. is primarily engaged

    in manufacturing silica gel since 2001. Our silica gel manufacturing

    plant is located in Maanshan with manufacturing capacity of more than

    500 MT silica gel per year. We are manufacturing Indicating silica gel &

    Non Indicating type of SILICA GEL in all grades such as blue silica gel,

    orange silica gel and basic silica gel such as type A silica gel , type

    B silic gel ,type C silica gel and another special silica gel Column

    chromatography silica gel

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