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Thread: Sandpaper for water-based finishes

  1. #1
    Join Date
    Nov 2013
    Location
    Crozet, VA
    Posts
    319

    Sandpaper for water-based finishes

    Apologies if this has been asked and answered, but wondering what sandpaper brands/types are compatible and won't create any problems with water-based finishes. Both for sanding prior to finshing and between coat sanding? I usually just have a hodge podge of stuff in my shop, but trying to somewhat standardize going forward.
    There is a very fine line between “hobby” and “mental illness.” - Dave Barry

  2. #2
    there's no magic with sandpaper. Some people say don't use stearated, but that would be about it. Most 'normal' woodworking or automotive sandpapers are non-stearated and they all work fine.

  3. #3
    Hardly a finishing expert. I did have a problem with stearated once with oil based poly.

  4. #4
    Join Date
    Mar 2003
    Location
    SE PA - Central Bucks County
    Posts
    54,640
    What Prashun said...just always clean off the workpiece thoroughly after abrading before moving on to the next finishing step. Don't use mineral spirits to do that. If you need to wet to get fine dust off with a lint-free cloth, use alcohol on bare wood and spritz with just water once the finishing has started. MS leaves a small amount of residue behind.
    --

    The most expensive tool is the one you buy "cheaply" and often...

  5. #5
    Join Date
    Dec 2010
    Location
    WNY
    Posts
    6,870
    Stearated or not, doesn't seem to make a difference with any finish I've ever used. I think Flexner or Jewitt studied it once and concluded stearated sandpaper had no negative effect with WB finishes.

    John

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