Author Topic: Glass Polishing  (Read 6107 times)

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Offline phmade

  • Posts: 162
Glass Polishing
« on: August 06, 2015, 11:29 AM »
Does anyone have recommendations for polishing scratches out of glass?  I've seen glass polishing/buffing systems before but I'd like to avoid spending $1500 on a kit.  I'm hoping to use my RO150 with a different pad - any idea on a supplier?  I'm planning to use water / lubricant during the polishing, but I can just use a spray bottle or pump sprayer...

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Offline josephgewing

  • Posts: 116
Re: Glass Polishing
« Reply #1 on: August 06, 2015, 12:53 PM »
Google cerium oxide, which is a good posishingagent. you can find info about how to use it.  A festool sander and a felt pad should work well.
Joe Ewing

Offline rst

  • Posts: 2277
Re: Glass Polishing
« Reply #2 on: August 06, 2015, 05:10 PM »
If you can feel the scratch with you nail trying to polish it out will be an excersize in futility.  I work in a commercial glass company and  we have done this...it is only worth the effort for very expensive or antique glass (think exotic windshields or thick glass) installation.  Even with the proper 3M grinding discs (which fit a regular 5/8"-11 grinder, use a ground fault extension close to the grinder, and of course water with just a touch of dishwashing cleaner...acts as a surfactant), the time involved is tremendous and often the surface ends up dished.   [sad]

Offline Holmz

  • Posts: 4010
Re: Glass Polishing
« Reply #3 on: August 06, 2015, 05:31 PM »
The same general thing for plastics like plane windows and headlight covers.
There are lee made compounds, just GTS "polishing airplane window".

Offline phmade

  • Posts: 162
Re: Glass Polishing
« Reply #4 on: August 06, 2015, 10:23 PM »
Thanks for the replies.  I ended up purchasing a kit from GTglass.com.  I called and spoke with someone who is very knowledgeable and he was able to guide me in the right direction.  I ended up purchasing an inexpensive kit with the 3m Trizact abrasives.  Luckily the scratches aren't too bad - and they really don't need to be completely removed, only to lessen them.  This is inside of a shower and the glass is actually back-painted so I'm not too worried about dishing it and creating optical distortion. 

I also considered filling the scratches with some sort of resin.  Does anyone have experience with this?  I think that would certainly be easier than grinding down the scratch.  Thoughts?

Offline tjbnwi

  • Posts: 6124
  • Cedar Tucky Indiana
Re: Glass Polishing
« Reply #5 on: August 06, 2015, 11:21 PM »
Shower doors are tempered, be very careful.

Tom

Offline jonny round boy

  • Posts: 3227
Re: Glass Polishing
« Reply #6 on: August 07, 2015, 05:15 AM »
Shower doors are tempered, be very careful.

Tom

I think from the description that this is glass wall panelling, not the door. But that should also be tempered.

Just curious how the scratches occurred - I can't think of anything that would normally be inside a shower that would scratch the glass...  [eek]
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Offline Holmz

  • Posts: 4010
Re: Glass Polishing
« Reply #7 on: August 07, 2015, 05:21 AM »
A woman with a diamond ring... [eek]

Offline Cheese

  • Posts: 6595
Re: Glass Polishing
« Reply #8 on: August 07, 2015, 11:33 AM »
Good call Holmz...mystery solved. [thumbs up]

Offline Holmz

  • Posts: 4010
Re: Glass Polishing
« Reply #9 on: August 07, 2015, 09:15 PM »
Jenson Button will not have to worry about his shower doors now.

Offline tjbnwi

  • Posts: 6124
  • Cedar Tucky Indiana
Re: Glass Polishing
« Reply #10 on: August 07, 2015, 09:25 PM »
Shower doors are tempered, be very careful.

Tom

I think from the description that this is glass wall panelling, not the door. But that should also be tempered.

Just curious how the scratches occurred - I can't think of anything that would normally be inside a shower that would scratch the glass...  [eek]

Seeing as there is a shower, I'll assume bathroom. Here that means it must be tempered, door or not.

Tom

Offline T. Ernsberger

  • Posts: 874
Re: Glass Polishing
« Reply #11 on: August 07, 2015, 09:34 PM »
I have a clinet that has an German Shepard that was trained in Germany as a attack dog.  I had to replace the side lights in the front door with 3/8 tempered bc the dog has broke through the glass 13 times.  I was there today and the dog has scratches in the glass about a 1/32 to a 1/16 of an inch deep.  I didnt realize that the dog could scratch the glass that bad.  Its scratch so bad you cant see through it anymore.  I know this doesnt have anything to do with the op just thought it was interesting.

Offline Cheese

  • Posts: 6595
Re: Glass Polishing
« Reply #12 on: August 08, 2015, 11:11 AM »
Jenson Button will not have to worry about his shower doors now.

Ya, like he worried about that before the incident. [crying]

Offline Holmz

  • Posts: 4010
Re: Glass Polishing
« Reply #13 on: August 08, 2015, 07:28 PM »
... are tempered, ...


Ill-tempered: The result of sneaking up on the "diamond cutter operator" like a scene from Hitchcock movie.

Good tempered: is when the "diamond cutter operator" is in water conservation mode, and invites you in.

Offline tjbnwi

  • Posts: 6124
  • Cedar Tucky Indiana
Re: Glass Polishing
« Reply #14 on: August 08, 2015, 11:02 PM »
... are tempered, ...


Ill-tempered: The result of sneaking up on the "diamond cutter operator" like a scene from Hitchcock movie.

Good tempered: is when the "diamond cutter operator" is in water conservation mode, and invites you in.

What's a Hitchcock movie?

Tom

Offline tjbnwi

  • Posts: 6124
  • Cedar Tucky Indiana
Re: Glass Polishing
« Reply #15 on: August 08, 2015, 11:03 PM »
... are tempered, ...


Ill-tempered: The result of sneaking up on the "diamond cutter operator" like a scene from Hitchcock movie.

Good tempered: is when the "diamond cutter operator" is in water conservation mode, and invites you in.



What's a Hitchcock movie?

(Had that invitation recently, happily accepted)

Tom

Offline rst

  • Posts: 2277
Re: Glass Polishing
« Reply #16 on: August 08, 2015, 11:06 PM »
ALL glass installed in a shower appplication MUST be tempered.  Be absolutely sure to keep grinding wet and cool or you will create very expensive aquarium gravel.

Offline phmade

  • Posts: 162
Re: Glass Polishing
« Reply #17 on: August 12, 2015, 03:41 PM »
Thanks for the input; yes, all of this glass is tempered.  I'm hoping to do this on Friday so I'll report back with the outcome.

Offline Holmz

  • Posts: 4010
Re: Glass Polishing
« Reply #18 on: August 12, 2015, 04:12 PM »
...

What's a Hitchcock movie?

(Had that invitation recently, happily accepted)

Tom

It was not intended as a double entendre, but it looks like it could have been.

Here is the Hitchcock shower scene I was thinking of.

Offline leakyroof

  • Posts: 2280
Re: Glass Polishing
« Reply #19 on: August 29, 2015, 07:04 PM »
I have a clinet that has an German Shepard that was trained in Germany as a attack dog.  I had to replace the side lights in the front door with 3/8 tempered bc the dog has broke through the glass 13 times.  I was there today and the dog has scratches in the glass about a 1/32 to a 1/16 of an inch deep.  I didnt realize that the dog could scratch the glass that bad.  Its scratch so bad you cant see through it anymore.  I know this doesnt have anything to do with the op just thought it was interesting.
  13 TIMES...  13 TIMES....... [scared] [scared] [scared] [scared]
Not as many Sanders as PA Floor guy.....

Offline neeleman

  • Posts: 1242
Re: Glass Polishing
« Reply #20 on: August 30, 2015, 06:15 AM »
Festool style glass polisher available from Duobond.
Scratch-a-way based on a DX93 sander body to build a glass polisher together with water and Ø50 mm diamond pads.
Probably NAINA, but available as 110V.
Both 110/230V versions cost around €774 excl. VAT.
« Last Edit: August 30, 2015, 06:35 AM by neeleman »
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