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Thread: removing polyurethane

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    Gunco Member satan's Avatar
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    Smile removing polyurethane

    howdy , I have a set of vintage checkered grips that have polyurethane on them , how can I remove polyurethane without destroying the checkering ??
    please post, satan

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    Gunco Veteran [486]'s Avatar
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    Mineral spirits [standard paint thinner/BBQ grill starter fluid] would be my guess. I'm assuming the grips are wood.

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    Gunco Maniac sjohnson's Avatar
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    Citrus or other paint stripper. Mineral spirits won't touch poly unfortunately.
    I have a daughter. I tell her, "911 is what you dial after you're raped. 1911 is what you should have before they try."

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    gunco irregular moleman's Avatar
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    If that doesn't take it off, look for a stripper that removes poly and epoxy finish. I wanted to refinish a remington 700 stock without sanding and none of the paint strippers I tried for polyurethane did much except make the finish shiney. I ended up using Zinsser strip fast power stripper. You should use their stripper wash to remove any residue when you're done, but it cleaned the old finish off and the gun turned out great. I used a old tooth brush to work the finish out of the checkered areas and it didn't harm the checkering.

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    Quote Originally Posted by sjohnson View Post
    Citrus or other paint stripper. Mineral spirits won't touch poly unfortunately.
    Huh, didn't know that. It is what we use to thin it, so I thought it might dissolve it. Probably not aggressive enough to take it off.

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    Gunco Maniac sjohnson's Avatar
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    Polyurethane cures as well as dries, becoming a hard, clear plastic. In so changing, it's chemical makeup also changes and what thinned the liquid has no effect on the cured solid.
    I have a daughter. I tell her, "911 is what you dial after you're raped. 1911 is what you should have before they try."

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    Gunco Veteran Toten Kopf's Avatar
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    I use ZIP Strip which can be found at ACE Hardware stores as well as other places.

    I use a stiff nylon brush, like the M16 cleaning brush to remove from checkering areas.
    "It Takes A Strong Man To Be Kind", Sgt Nathan Wilson, 5th SFG (1970)

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