gilloverland Posted September 26, 2010 Share Posted September 26, 2010 I'm finally having my rebuilt 110 painted this week and at the same time I'm having my steel wolf wheels shot blasted. The bloke who is shot blasting them (his company also does powder coating) says powder coating is best but factory wheels are painted. Does anyone on here have experience with two pack painted wheels or powder coated wheels and what are your recomendations? What are the positives and negatives of each - the tyres and wheels are both tubeless if this makes a difference... Quote Link to comment Share on other sites More sharing options...
Ratty43 Posted September 26, 2010 Share Posted September 26, 2010 Powder coating is great until the first stone chips it, then the steel will rust away under it, unlike paint which bubbles up and warns you of the progress of the problem powder coat remains looking fine until one day you peel off a sheet and find the extensive rust. Personaly if it were mine I would have them painted, I don't believe powder coating has any place in the motor industry, although plenty of others believe it does. Quote Link to comment Share on other sites More sharing options...
Anderzander Posted September 26, 2010 Share Posted September 26, 2010 Good powder coat won't chip. The problem is a lot of people appear to have had the experience above. Its fantastic when its done well. Quote Link to comment Share on other sites More sharing options...
Les Henson Posted September 27, 2010 Share Posted September 27, 2010 New metal from the factory isn't sand blasted and that's why powder coating comes off in sheets. If you paint or powder coat sand blasted metal, then it'll never come off. Paint has to be thick though, as you are painting what is very similar to sand paper. Les. Quote Link to comment Share on other sites More sharing options...
wozza35 Posted September 27, 2010 Share Posted September 27, 2010 I would say they are both as good as each other as long as they have been prepped right but personnaly i would have them painted because if you do get them scratched or chipped it will be easier to touch up Quote Link to comment Share on other sites More sharing options...
cackshifter Posted September 27, 2010 Share Posted September 27, 2010 I used to work in a bus plant; there was a lot of powder coating because unlike paint, there was no chance of pinholes where solvents evaporate, in fact I read somewhere you need 3 coats to be sure pinholes have all been covered. (Even 2 pack normally has a small amount of thinners). External underneath parts, galvanised or zintec, were dipped in a phospate wash then a chromate wash. The parts were then dried in an oven and immediately powder coated. It was well-nigh impossible to chip off, even with a hammer, or if you bent the steel. Parts like the roof were pre treated and primed. Again they had impressive chip resistance. On the other hand internal parts could be powder coated without the pre-treatment and then were much easier to chip, or it would flake off if it was bent. I'd say if you could be sure of the correct pre-treatment, powder coating is the best, but on a poor base will fall off with the the best of them. Nigel Quote Link to comment Share on other sites More sharing options...
Marco Posted September 27, 2010 Share Posted September 27, 2010 I used to have zinc coated rims on my 109, they never ever rusted again. Just have them sandblasted and (hot) zinc coated like on this image: You need a suitable primer and can paint them afterwards, much more durable than powder coated finish. Cheers Marco Quote Link to comment Share on other sites More sharing options...
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