3M Prograde Precision flexible sanding sheets


  • 3M Prograde Precision flexible sanding sheets

    I gave this a shot from a local retailer the other day


    The product itself seems very well made. The abrasive is tight to the backing and shows no sign of flaking off as others do. I used 320 and found it to cut very well. I would actually say the 320 cut better than the red Diablo 220g from the BORG. The actual backing is a rubber material that must be cut with scissors or a knife. It is extremely flexible and will conform to any shape, literally, with no creasing.

    I did find that this product is so flexible that it tends to "roll" rather than move over the surface being sanded. I think the product is intended for sanding various profiles, and may be ok for that. I was sanding mostly flat surfaces an found that you could not "fold" the product, but instead really had to use a sanding block, or the paper would just roll. I haven't done a lot of sanding with it so I can't comment on how it holds up or loads up.

    I think it's a great concept and I won't give up on it yet, but at this point, definitely would not look at this as a replacement for regular sandpaper.

    • sailor55330
      sailor55330 commented
      Editing a comment
      From an abrasive standpoint yes. Not sure how well the backing would adhere to the flat surface. I'll look when I'm in the shop later

    • Neal
      Neal commented
      Editing a comment
      So if you are doing contours, would you prefer this to steel wool?

    • sailor55330
      sailor55330 commented
      Editing a comment
      Ok, So I worked more with the product and it holds up very well. I still think you might have a problem with it on scary sharp as the rubber backing is pretty slick. If you could secure it, then yes.

      As for contours, I do like it, but I didn't see it in anything less than 320, so I think steel wool would still give a better final finish. Also, ultimately, I think steel wool conforms to small contours better because of the way the flex product rolls, but to be honest, I haven't really tried any intricate sanding with it.

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