3M 272L精密研磨卷3M™ Microfinishing Film 272L 產(chǎn)品描述: 3M :272L 精選氧化鋁均勻涂附于高平整度高強(qiáng)韌性聚酯薄膜上,廣泛應(yīng)用于金屬,塑膠,油漆研磨,汽車,列車零部件,軸類零件拋光。 2:氧化鋁7:3MIL 千分之五英寸背基厚度2:開放式植砂L:薄膜背基 Fast cutting abrasive for precise, uniform, close-tolerance finish. Used for cylindrical and centerless grinding and finishing, roll superfinishing, automotive powertrain components. Aluminum oxide abrasive resin bonded to a high-strength polyester film backing.