More Exacting Finishes Require the Right Abrasive ToolsWe designed 3M™ Trizact™ Film Roll 272LA to answer the challenges of producing fine finishes and delivering polished surfaces that meet the exacting specifications of fine manufacturing. Often used in microfinishing and superfinishing applications that utilize abrasives in reel-to-reel product forms.3M™ Trizact™ Film Roll 272LA is available in micron grades A35, A10 and A5. A35 is the coarsest for repairing defects and surface leveling. Progress to grades A10 and A5 to further refine scratches left behind in previous steps. The polyester film backing is waterproof for wet use to minimize dust and resilient enough for industrial applications.Designed for Glass, Corian and Acrylic Solid SurfacesOriginally designed for glass, corian, and acrylic substrates, this abrasive is among 3M's best for achieving a high gloss level and removing scuffs, scratches and acid marks on countertops, airplane windscreens and windows, architectural glass and other products. 3M™ Trizact™ 272LA can also be very effective on metal substrates for fine finishing and polishing.The Trizact FormulaThese abrasive products are coated with a uniquely structured aluminum oxide mineral on a resilient film backing. Microreplication – a proprietary 3M technology – produces abrasives that are designed to start sharp and stay sharp, and to deliver more consistent cut and finish over their lifetime. The aluminum oxide mineral in this product is contained in uniquely shaped pyramid-like structure evenly distributed across the backing in a precise pattern. As the peaks of these structures wear away, fresh cutting mineral is exposed. Ultimately, this serves to support a fast, consistent and predictable cut rate throughout the life of the abrasive.