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The Merit aluminum oxide (ALO) FlexEdge disc is manufactured with a flexible abrasive cloth in which the outer 3/8 inch is more flexible than the rest of the disc. The added flexibility prevents gouging and excels in contour grinding of structural pieces. This disc is designed for use on softer metals and is frequently used in aircraft and aerospace manufacturing for structural hand polishing. When choosing discs and holders, choose holders one size smaller than the discs, to allow the flexible edge room to work.
All Merit PowerLock discs feature laminated construction which provides a tough, durable backing, which reduces snagging and shredding. The PowerLock quick-change system allows for easy disc mounting and removal to increase productivity by reducing the time required to change discs. Coated abrasives have individual abrasive grains spaced at a predetermined distance from one another. This is a closed-coat disc. A closed coat covers 100 percent of the surface with abrasive grains, for more stiffness and better surface finish than an equivalent open coat, where abrasive grit covers 50 to 70 percent of the surface.
Aluminum oxide is a widely used and versatile abrasive material. It is a tough, fracture- and wear-resistant grit that works well with a broad range of materials, from metals to wood. Aluminum oxide is more durable than silicon carbide and often used for material removal and finishing.
Abrasives are used for a variety of applications from shaping a part to fine finishing, depending on the grit size. Low grit numbers like 40 are coarse and are used for removing excess material and shaping a part. High grit numbers like 400 are fine and help to create a smooth surface finish.
Merit Abrasives has been manufacturing abrasives for the deburring and finishing industries since 1945, and pride themselves on their quality and focus on service. Saint-Gobain owns Merit, and has been recognized as a Global 100 Sustainable Company. Saint-Gobain has also earned ISO 9000 and 14001 certification for quality and environmental management standards.
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