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Vintage Television and Video Vintage television and video equipment, programmes, VCRs etc.

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Old 22nd Mar 2017, 2:13 pm   #21
Boater Sam
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Default Re: Removing light scratches from CRT screen - possible ?

Tooth paste will polish glass, needs a power tool ie. Dremel, unless you like being bored stiff.
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Old 22nd Mar 2017, 4:44 pm   #22
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Default Re: Removing light scratches from CRT screen - possible ?

Quote:
Originally Posted by HamishBoxer View Post
I have only ever used Brasso or Farc something that is used on car paintwork.


http://www.farecla.com/
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Old 22nd Mar 2017, 6:08 pm   #23
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Default Re: Removing light scratches from CRT screen - possible ?

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I don't quite understand how an impact can dent glass without breakage
I wouldn't have believed it either but the dent was similar to what you would get when hitting the centre of a plank with the edge of another in a glancing way. It was not deep but visually obvious. It took lots of polishing out, but I was doing it manually as I tend to be careful with a windscreen. It may obviously have been a strange shaped chip, or even massive wear over a short length, but without high magnification it didn't appear so! I presumed at the time that as glass is a supercooled liquid it has strange behaviour in some circumstances, but I know little about it. Obviously a sharp point impact would have instantly shattered it but this was a spread out blow.
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Old 22nd Mar 2017, 8:44 pm   #24
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Default Re: Removing light scratches from CRT screen - possible ?

Tooth paste is also excellent for restoring dull plastic car headlights !
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Old 22nd Mar 2017, 10:03 pm   #25
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Default Re: Removing light scratches from CRT screen - possible ?

Farecla,yes that is the one thank you.
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Old 22nd Mar 2017, 10:17 pm   #26
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Default Re: Removing light scratches from CRT screen - possible ?

Re #14, I had a similar experience with a sunglasses lens that had a bad scratch right in the middle: I did get rid of the scratch, but the optical distortion was too objectionable. I suppose that, by removing the plastic, I had in effect made a bifocal lens of the wrong power for that eye.
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Old 23rd Mar 2017, 8:01 pm   #27
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Default Re: Removing light scratches from CRT screen - possible ?

Hi

I read somewhere that 0000 grade wire wool can be used to remove light scratches from car windscreens, never tried it.

As far as stress in the screen, I would have thought a polished out scratch would present less stress than the original sharply defined scratch, assuming you don't go deeper than the original scratch.

Richard

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Old 24th Mar 2017, 12:49 am   #28
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Default Re: Removing light scratches from CRT screen - possible ?

On a lark, you might try a nonabrasive automotive wax compound. My eye glasses provider swears by it for scratches in reading glasses. just apply and wipe off.
Worst case, you gave not damaged the screen, and can remove with solvent.
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