CORE MATERIAL FOR THIN TATAMI MAT AND THIN TATAMI MAT USING IT

摘要

PROBLEM TO BE SOLVED: To provide a core material for a thin tatami mat satisfactory needle piercing property, sufficient bending rigidity for sewing a tatami surface with less warping, and proper heating transmitting performance with less dimensional change by heat or moisture so as to be usable for floor heating at a low manufacturing cost, and a tatami mat using it. SOLUTION: The core material for thin tatami mat comprises paper boards of 0.1-2 mm in thickness adhered to both sides of a plastic corrugated board of 3-10 mm in thickness.