Polishing a soft plastic.

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John Black Contact options for registered users 's Avatar posted on
May 8, 2012, 1:21 pm
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Somebody was washing off what I thought was glass, so i advised them to dry
it with kitchen paper towel to avoid the local hard water chalk stains.

Then I discovered it was 'plastic' from a picture frame and the paper towel
has left a smear mark on the plastic.

We have tried the glass polish 'turtle wax clear view', but it's still not
leaving a clear finish, rather a smear finish that looks like grease; but is
not.   Grateful for any futher suggestions, on a very fine way to polish up
what looks like quite a soft plastic.



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brass monkey Contact options for registered users 's Avatar posted on
May 8, 2012, 1:25 pm
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Re: Polishing a soft plastic.




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Mrcheerful Contact options for registered users 's Avatar posted on
May 8, 2012, 1:27 pm
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Re: Polishing a soft plastic.

John Black wrote:

If it is plain sheet plastic then get a new bit or replace it with glass.
If it is vital to repolish it then get some 'displex' from ebay, that is
very good on gloss plastic.



 

John Black Contact options for registered users 's Avatar posted on
May 8, 2012, 1:54 pm
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Re: Polishing a soft plastic.



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Thanks. before applying our Brasso we tried a cheap supermarket car polish,
which practically has no abrasive qualties that we could detect.

It has done the job just fine. Shows just how soft this plastic must be.



 

newshound Contact options for registered users 's Avatar posted on
May 8, 2012, 2:31 pm
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Re: Polishing a soft plastic.

On 08/05/2012 18:54, John Black wrote:

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Good. You don't want detectable abrasive qualities, that will just give
you detectable scratches (i.e. will make the surface matt). For many
things, polishing is as much about getting surface flow (i.e. peaks
deforming to fill valleys) as actually removing material.

 

Frank Erskine Contact options for registered users 's Avatar posted on
May 8, 2012, 5:19 pm
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Re: Polishing a soft plastic.

wrote:


--
Frank Erskine

 

John Black Contact options for registered users 's Avatar posted on
May 10, 2012, 6:49 am
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Re: Polishing a soft plastic.



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Frank thanks.  Angle grinder seems to have severely damaged it. please
advise further.



 

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