Sunday, 22 November 2015

Capri - Windscreen Scratch Removal

The windscreen on my green Deluxe has always had a reasonably noticeable windscreen wiper scratch. I have tried at times to remove it but with no success. Recently, I came across this website (Australian), that sold a variety of polishing compounds & equipment.      http://www.polish-up.com.au/

One of their products is a Glass & Perspex Polishing Kit, so I thought I might give it a go. It consists of a Cerium Oxide polishing compound, a polishing wheel & 2 polishing pads. It cost me $35 with postage. This is what it looks like.



There is a set of instruction that also comes with the package so I read it up carefully & started the process. I started by sticking masking tape on the inside of the windscreen to indicate the position of the scratch. This wasn't really very helpful & I replaced that with a black marking pen. It gave a more accurate marking of the scratch.



I mixed the cerium oxide as directed (into a milky slurry) & only needed 1 teaspoon for all that I did. The polishing pad attached easily to the drill & I used a small paint brush to apply the  slurry to the screen. I then started the polishing with the drill. The instructions emphasise the importance of not heating up the screen. So I polished for about 25 seconds at a time & then sprayed a little water on the screen. I kept doing this process for about 30 minutes. This shows the polishing bit.



After doing this for this amount of time, I decided to see if the scratch was actually disappearing. So, I cleaned the outside & inside and to my surprise, the scratch was definitely disappearing. Some more polishing & some more slurry & the mark was hardly noticeable from the outside, yet a little more obvious from the inside. A few more times were necessary & then a good cleaning & I was pretty happy! Here are the before (left - note the mark just above the steering wheel) & after (right - no mark obvious) photos.



Is it completely gone? No. Am I happy with the result? Yes. It cannot be even noticed from outside the car. With some more polishing, maybe the scratch would completely disappear but I was happy with the result, enough to say that this little kit is a good addition to you restoration toolbox.

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