发明名称 NON-CALCINED COLORED PENCIL LEAD
摘要 PROBLEM TO BE SOLVED: To provide a metallic, non-calcined colored pencil lead which has a strong lead body and yields a glossy, vivid writing. SOLUTION: The non-calcined colored pencil lead contains at least a binder and a scaly aluminum powder. Here, the amount of the scaly aluminum powder contained is from 10 to 50 wt.% against the total amount of the colored pencil lead, wherein those having a biaxial average diameter of from 20 to 50μm accounts for >=30 wt.% of the total amount of the aluminum powder.
申请公布号 JP2001302960(A) 申请公布日期 2001.10.31
申请号 JP20000124953 申请日期 2000.04.25
申请人 PENTEL CORP 发明人 TANGE MAKOTO;MIYAHARA YUICHI
分类号 C09D13/00;(IPC1-7):C09D13/00 主分类号 C09D13/00
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