{"product_id":"3m-7000044991-microfinishing-film-roll-40-micron","title":"3M 7000044991 Microfinishing Film Roll 40 Micron","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe 3M 7000044991 Microfinishing Film Roll 372L is a precision abrasive roll designed for high-tolerance surface finishing of cylindrical components. It consists of aluminum oxide abrasive particles resin-bonded to a 5 MIL polyester film backing. The backing features a friction grip coating that resists slipping during operation, supporting consistent stock removal and finish quality. At 40 micron grit, this roll delivers fine, controlled material removal suited to demanding finishing applications. It is used by machinists, automotive technicians, and production finishing professionals working on tight-tolerance cylindrical surfaces.\u003c\/p\u003e\n\u003cp\u003eThis microfinishing film roll is intended for precision finishing of cylindrical surfaces including automotive camshafts and crankshafts. The 0.393-inch width and 900-foot length make it well suited to automated or semi-automated roll finishing equipment where continuous abrasive feed is required. The polyester film backing provides dimensional stability under tension, which helps maintain consistent contact across the workpiece surface. It is sold by the roll and is available with a minimum order quantity of 3 rolls.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAluminum oxide abrasive resin-bonded to a 5 MIL polyester film backing for durability and dimensional stability\u003c\/li\u003e\n  \u003cli\u003e40 micron grit rating for precision, fine-tolerance surface finishing\u003c\/li\u003e\n  \u003cli\u003eFriction grip coating on the backing reduces slipping during use\u003c\/li\u003e\n  \u003cli\u003e0.393-inch width and 900-foot length supports continuous-feed finishing equipment\u003c\/li\u003e\n  \u003cli\u003eDesigned for cylindrical surface applications including camshafts and crankshafts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use on cylindrical finishing equipment and lapping machines that accept roll-style abrasive film. Suitable for precision finishing of automotive camshafts and crankshafts as noted by the manufacturer.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis product is installed by machinists or finishing technicians on roll-fed surface finishing or lapping equipment. Ensure the machine is powered down and secured before threading or replacing the abrasive roll. Follow equipment manufacturer guidelines for proper roll tensioning to maintain consistent surface contact. Wear appropriate PPE including eye protection and gloves when handling abrasive film.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAbrasive Material\u003c\/strong\u003e: Aluminum Oxide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacking\u003c\/strong\u003e: 5 MIL Polyester Film\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrit\u003c\/strong\u003e: 40 Micron\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 0.393 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 900 ft\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCore Size\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacking Feature\u003c\/strong\u003e: Friction Grip Coating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 00051141206615\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: 3M\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 7000044991\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51346468471090,"sku":"7000044991","price":552.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310532545.jpg?v=1782081098","url":"https:\/\/voomisupply.com\/products\/3m-7000044991-microfinishing-film-roll-40-micron","provider":"Voomi Supply","version":"1.0","type":"link"}