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A few hours of shop time into wearing my new safety glasses, I found that not only were they uncomfortable, but they were scratching up my face pretty good. Disappointed that the glasses I paid the princely sum of $9 for were tearing up my mug, I searched for a way to fix them. To my embarrassment, my 10-year-old niece/helper suggested that I’d been using the tool that could fix them for the last two hours — she was, of course, correct.

I found that with a bit of 320 grit sandpaper you can not only remove whatever spurs and excess molding lines are causing you grief — you can also reshape areas near the nose piece, if you want, to fit your face more comfortably.

Is this a big deal? Most certainly not. But it can be handy if you’re living with plastic safety glasses that are the slightest bit uncomfortable.


3 Responses to How-To: Fix Plastic Safety Glasses

  1. John says:

    Then after you’re done sand, wipe it with acetone or mineral spirits to make it glossy again.

  2. Chris says:

    Be careful with acetone around plastic safety glasses. It has a nasty tendency to haze the plastic VERY badly (as in, it will make the lenses nearly opaque).

    If you’re trying to restore a shine to the plastic, very judicious and careful application of a torch (yes, an open flame) can buff out mild scratches in the frames and lenses. I’ve used this technique to good effect on motorcycle helmet face shields before. Start about six inches or so back from the surface, and work at an angle. It helps if you have a light set up so you can see the haze begin to polish out as the heat does its job. Whatever you do, do NOT let the flame linger more than about half a second in any one spot, or you’ll boil the plastic and get air bubbles in it. (Yep, did that by accident too.)


  3. DK says:

    This just in…

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