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公开(公告)号：IT8067318D0
公开(公告)日：1980-02-29
申请号：IT6731880
申请日：1980-02-29
Applicant: DEGUSSA
Inventor： BERNDT GERHARD KUHNER WILHELM , ROTHBUHR LOTHAR , WAGNER HANS
Abstract: Beaded carbon black is disclosed with a water content of 30 to 80% by weight which are used for coloring of paper and concrete. The product has the advantage of dust-free handling and a higher jet black color compared to conventional carbon black powder.
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