| 摘要 |
Main claim: lead for writing, drawing and/or painting utensils, consisting of at least one binder, at least one filler, and at least one coloring agent, the at least one binder being clay, and the at least one coloring agent being graphite, characterized in that the at least one filler is provided in the form of a non-sintering siliceous filler and in that the percentage of non-sintering siliceous filler is 5 to 20 wt% of the total weight of the lead. |
