化学配方数据库
配方类型: INKS AND MARKING COMPOUNDS
配方说明: Copying-Pencil Lead (U.S. Patent 2,682,476)
配方组成: Vinyl Acetate/1
Calcium Stearate/23
Methylene Blue/11
Graphite/10
STearic Acid/5
Calcium Chloride/6
Talc/11
Ethyl Cellulose/29
Soot/5

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