YangZhou QunXin Co.LTD -

YangZhou QunXin Co.LTD

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barium vitriol
Specification: most particle d97¡Ü20um--05um
Detail: Any of various sulfates of metals, such as ferrous sulfate, zinc sulfate, or copper sulfate.

french chalk
Specification: most particle d97¡Ü20um--05um
Detail: Chalk made of a soft, white variety of talc, used by tailors for marking fabrics and by dry cleaners for removing grease spots.

calcium carbonate
Specification: most particle d97¡Ü20um--05um
Detail: A colorless or white crystalline compound, CaCO3, occurring naturally as chalk, limestone, marble, and other forms and used in a wide variety of manufactured products including commercial chalk, medicines, and dentifrices


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