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Shining Up My Bars!?


gr8grumble

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right guys... i stripped the paint off my zoo bars with oven pride, worked like a dream, took paint off beautifully.

I am now left with a really dull coloured silver, does anyone what i could use to get a nice really shiny silver out? so called buffing makes the aluminum go brittle and snap... so..?

is there any good metal polishish, or do i need fine glass paper or something...?

help please,

graham

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I sanded my frame down with the fine sandpaper then got out the autosol polish and after i done the whole frame i spat on the rag and went over again and then after i had done the whole frame went over with a clean rag and it was so shineey but i didnt laquer it so its gone dull and horrible.

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Polishing will improve the part's resistance to fatigue failure (Probably the most common cause of bike parts breaking - that's why so many 'just riding along' type failures occur). It does this by removing all the small scratches in the surface which are high stress points in the part and over time will be start points from which fatigue cracks grow. Shot peening the surface is better again because it creates a compressive stress at the surface (Fatigue cracking needs tensile stress to occur). Unless you're heating the part or using chemicals which damage it to strip the paint there's no reason to think you're weakening it unless you're removing a massive amount of material as you strip and polish it.

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