| 摘要 |
PURPOSE:To provide a thin-walled fluororesin tube which can be used as a cover for a rubber roll, heat roll, etc., of a fixing apparatus of a copying machine without deteriorating the elasticity and heat-conductivity of the rubber roll or heat roll. CONSTITUTION:The objective tube is made of a polytetrafluoroethylene modified with a perfluoroalkyl vinyl ether or hexafluoropropylene and satisfies the formula (Inner diameter)/(Wall thickness) >=300. |
