How to remove a scratch from glass

Glass is a very brittle material and to completely remove scratches (especially big ones) without damaging the surface, will not work. To eliminate scratches and defects using different methods of polishing or grinding with subsequent polishing. To do this, use the special paste, polishing machine, emery paper.

You will need

• A special paste, polishing machine, abrasive paper

Instruction

1. Removes scratches from glass Windows, windshields of automobiles and the aquarium glass has its own characteristics. This glass is sanded in any case impossible, as it never happens to remove the smooth layer, and unevenness may occur the lens effect. Although this glass will look fine, but it is only at first glance. It will hinder and distort the review, which can lead to vision loss.
2. For these glasses it is necessary to use the polishing, since the polishing of glass loses the thickness of only fractions of a micron, while small scratches are removed and the glass becomes more transparent. You can use the paste with the grain to 0.5 microns – the smallest, but the best effect is achieved with the paste Polyarit". For very small scratches used diamond paste (lapping), it will also help in removing permanent stains.
3. To remove scratches with a thicker glass, especially if there are a lot of small or large scratches, use polishing, but then necessarily it is necessary to Polish the surface. For manual polishing using emery paper # 200-800, medium - to coarse paste (diamond and boron, intermediate and grinding). The more you scratch, the bigger grains need to apply in the first stage, the second less, the third even less and so on. This process is very long and time consuming. With the help of special machines, of course, it will go faster. But if you don't want to completely ruin the glass, then you need to practice on other glass that is not a pity to determine with what degree of pressure need to be sanded.