China
联系人 Mr. cheng
Lantian Mansion,No.106 Weiyang Road,Weiyang Distri, xi'an, Shaanxi
CAS
Number: ********7
Introduction
Lithopone is a
brilliant white pigment used in paints, inks, leather, paper.
Lithopone is an insoluble mixture of barium sulfate and zinc sulfide that precipitates upon mixing solutions of barium sulfide and zinc sulfate. The precipitate is recovered by filtration, then calcined (roasted) at temperatures above **0° C (1,**2° F). Although lithopone has been replaced in many applications by titanium dioxide, introducedafter World War I, it is still widely used in a number of products, such as water paints.
PROPERTIES
Mean Values. These Do Not Represent A
Specification
ITEM
INDEX
| B***1 | B***1 | |
| The sum of Zinc Sulfide and Barium Sulfate | *9% Min | *9% Min |
| Total content of Zinc Calculated as Zinc Sulfide | *8%Min | *0%Min |
| Zinc Oxide | 0.6% Max | 0.3% Max |
| Volatie matter at **5℃ | 0.3% Max | 0.3% Max |
| Water Soulble Substances | 0.4% Max | 0.4% Max |
| Residue on sieve (*3um mesh) | 0.1% Max | 0.1% Max |
| Color( Compared with standard sample) | Close to | Close to |
| PH of aqueous suspension | 6.**8.0 | 6.**8.0 |
| Oil absorption | *2.8Max | ****4 |
| Tint reducing power | **0Min | **5Min |
| Hiding power | *5%Min | *5%Min |
| 国家: | China |
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