| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet material for forming a flexible duct, excellent in perspectiveness and prevented from sucking and aggregating powder and fluid. SOLUTION: This sheet material includes at least one sheet single body made of a polyurethane resin contained resin material and having the 90 deg. peel adhesion of JIS Z 0237 at 40 deg.C is not more than 9.80665 N/cm (1 kg/cm), includes a fiber cloth laminated on it, and has the visible ray transmittance of not less than 80%. |
