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Properties:
White formless powder , relative density 4.50g/cm3(15℃),melting point 1580℃.No taste and no poisonous.Acid and alkali-resistant ,mohs hardness (3-3.5),can absorb X-ray and other dangerous radiation.
Application
1.Widely use as raw material and filler of powder coatings .used in many types of paintings, including vessel priming paint,armament equipment paint , finishing coat,automobile paint,emulsion paint , architectural coating .
2.Partly instead titanium dioxide ,broadly use in tire rubber , insulated rubber, rubber hose, slab rubber, plastic ,printing ink .
3.Filling of battery .
4.Surface coating of photographic paper and enamelled paper ,sizing agent of textile industry .
5.Clarifying agent of glass products ,defoaming and increase luster.
6.Protective material from ray(x-ray )
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