DISK ROLL AND SUBSTRATE THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a disk roll and a substrate thereof which is capable of effectively producing without using expensive fibers.

SOLUTION: The disk roll substrate containing 5 wt.% or less of 45 μm or larger shot and comprising 20 to 38 wt.% of alumina silicate fibers containing 40 wt.% or more and 60 wt.% or less of alumina and 40 and 60 wt.% of silica; 10 to 30 wt.% of kibushi clay; 2 to 20 wt.% of bentonite, and 20 to 40 wt.% of mica.

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