| 摘要 |
PURPOSE: To provide a roll for business machine which solves problems that a copied matter tends to be darkened and unclear. CONSTITUTION: This roll consists of a shaft and a roll body provided around the shaft. The roll body is made of a polyurethane resin foamed body formed of polyol and a polyisocyanate as main raw materials, wherein a component to be extracted with an acetone as a solvent is 5% or below resin weight ratio and an Asker hardness C is 10-70 deg.C. |
