![]() ![]() About Red Label AbrasivesĪt Red Label Abrasives, we have decades of experience in helping customers identify the tools needed to deliver thorough and professional grinding, polishing, and finishing results. They offer a fast cut, deliver professional results, and have a long disc life, ensuring that you get optimal return on your investment. The best tools typically have a fully waterproof backing with a thick hook and loop for added durability and performance quality. During the sanding process, it fragments in a manner that retains its cutting edges and allows the sanding belt or disc to be used longer.Īluminum oxide has various coating options available, but closed-coat is the recommended solution because the grains cover up to 95% of the disc surface, enabling it to do a smooth and effective job on both ferrous and nonferrous metals.įor auto body repair, use aluminum oxide sanding discs that have been specially designed for the automotive market. What Sandpaper Material is Recommended?Īluminum oxide is one of the most popular abrasives for good reason. When applied to an orbital sander, high-grit sandpapers make it possible to cover larger vehicles like vans or trucks in a matter of hours. 2000 grit can be used for a final wet sand to create an ultra smooth finish before applying a rubbing compound. You can follow the 1000 or 1200 grit sand with 1500 grit to ensure the entire surface is smooth and level. Once the vehicle has received a new coat of paint, a sandpaper disc in this range can deliver a smooth finishing touch.ġ0 grit abrasives are great for sanding over new paint, but it’s recommended that you use a wet sand technique for this application. High-grit sandpaper is best suited for eliminating scratches and minor imperfections. 800 grit is great for sanding the final finish primers before primer sealers or paint. It’s strong, but fine enough to smooth away rough areas without scratching up the metal.Ħ00 grit is good for removing imperfections after a high build primer has been applied to the body. Medium grit does an effective job at smoothing the vehicle surface before a base coat is applied. Medium grit, which starts at around 400 to 600 Use of abrasives in this grit range should be limited because low-grit sandpaper can leave scratches on more even coats of paint. 320 grit is ideal for feather edging compounds to get the body ready for priming. ![]() You can use 120 grit when there are rust spots or scratches that aren’t as severe and 220 grit to bring down rough edges from body filler. This can happen if the vehicle has received several successive coats of paint, resulting in an uneven, patchy surface.Ībrasives in the 60 to 80 grit range are good to use when there are deeper scars or rust to sand down. Low-grit sandpapers are more appropriate for auto body repair jobs that require rough surface areas to be flattened out. Low-grit sandpapers (typically below 400) The last thing you want to do is cause damage in the way of deep scratches that will require more work to remove. The first rule of auto body repair is that you should start with the least aggressive sandpaper you can that will still get the job done. The lower the number, the coarser the sandpaper. In general, grit numbers range from around 40 to 4000 and up. The first step is choosing a sandpaper with the right grit. Regardless of whether the outcome is a deep dent or minor scratches, using the right sandpaper during the repair process is a key part of producing quality results. there are different ways that a motor vehicle can sustain surface damage. Collisions, windblown shopping carts, severe weather, poorly aimed baseballs.
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