lithopone | Global Trade leader ecrobot

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lithopone

Posting date : Apr 19, 2011

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CHEMICAL | Tanning or

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32-

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Product Description Molecular formula: ZnSBaSO4 CAS Number: 1345-05-7 Item B301 B311 Total content (as ZnS add ZnSO 4 ) 99% Min 99% Min Total Zinc (as ZnS) 28% Min 30% Min Zinc Oxide 0.8% Max 0.3% Max Volatile elements 105 0.3% Max 0.3% Max Insoluble matter in water 0.5% Max 0.4% Max Residue of mash (wm) 0.1% Max 0.15% Max Colour Near sample Near sample PH value NEUTRAL NEUTRAL Oil absorption g/100 14 Max 10 Max Tinting (contrast to the sample) 100% Min 100% Min Packing: In 25kg PP Bag Property: White powder Application : Lithopone is a white pigment composed of a mixture of barium sulfate (68 - 70 %) and zinc sulfide (28 - 30%) with trace amounts of zinc oxide. It is produced by precipitation through filtering, heating and quenching works. Lithopone has mostly been replaced by titanium dioxide which is more durable, but it is much cheaper. It is used as a base for lake pigment and used as a inert pigment for paint, ink and cosmetics as well as in a large range of applications in plastic industry. It is used as a filler in paper, leather, and linoleum.