Premium 80 Grit PSA Purple Film Ceramic Longboard Sandpaper, 2-3/4" Wide Continuous 20 Yard Roll - Self Adhesive Stickyback for Auto & Wood Air File Long Board Sanders, Hand Sanding Blocks

This is by far the best sandpaper I've ever used. I'm going to find it hard to use the traditional aluminum oxide regular sandpaper after this ceramic stuff. It cuts extremely well, cleaning sanding buildup under the paper every so often is a breeze, the adhesive backing is strong and doesn't slip, and it last a long time. If I had to nitpick to find something bad it would be that the release film can be difficult to get started to expose the adhesive backing, but that it really trying to find something wrong. Buy it! I'm sure you'll be as happy as I am with this product.

great quality long lasting

For the price this stuff is great. Cuts consistently and doesn't load up like some of the other abrasives out there. The adhesive leaves a little to be desired for smaller sized blocks but other than that I think its a great option. I only have used this on automotive filler and cant attest to how it works on other substrates.

Had to take a lot of iron off the bottom of an very unflat #5 jack plane. This 80 grit adhered to 3/8” plate glass on top of flat MDF did a good job but took a good while, but superior to cheaper abrasive.

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