| 摘要 |
<p>A mold cleaning material of sheet form having an upper side and a lower side and including at least two base sheets and a cleaning member enclosed between the two base sheets. The base sheet on the upper side or as an outermost layer of the mold cleaning material is a fibrous sheet having a porosity of 70% or more, and the base sheet on the lower side is a fibrous sheet having a porosity of 40% or less and/or a heat-resistant film.</p> |
