| 摘要 |
PROBLEM TO BE SOLVED: To obtain a calcined colored pencil lead which can be inexpensively and easily produced, has excellent mechanical strength, excellent color development and a smooth writing property, and to provide a method for producing the same. SOLUTION: This calcined colored pencil lead is characterized by comprising a calcined lead body composed of alumina and an extender material which are obtained by impregnating a solution containing one or more kinds of inorganic polymers selected from aluminum inorganic polymers composed of a polyaluminoxane as a main chain into pores of a porous calcined lead body composed of at least an extender material and further calcining the impregnated calcined lead body and a colorant packed into the pores of the calcined lead body.
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