| 摘要 |
PROBLEM TO BE SOLVED: To provide a backing material for cushion floor with reduced permeation of polyvinylchloride to be coated. SOLUTION: The backing is composed of an inorganic fiber blended paper having a coating layer comprising a pigment and a binder as principal component, on one face, wherein the content of glass fibers is 10-60 mass% in inorganic fiber blended paper, and the coating of the coated layer is 0.5-60 g/m<SP>2</SP>, and Coresta air permeability measured based on ISO2965 is 10-200 cc. COPYRIGHT: (C)2009,JPO&INPIT
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