Padstar
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| posted on 2/7/13 at 12:22 PM |
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Powdercoat VS Paint on a few bits
I got myself a powdercoat gun a few months ago with the full intension on using it to finish off certain bits (Calipers, hubs etc). Now that i have
reached the point where i am thinking of doing these bits i am now thinking should i just paint them with Por 15 or similar.
I like the idea of the "thick" plastic like finish of the powder coat and worry that painting will show all the defects in the calieprs
etc.
What do you think?
Also i plan to purchase some new MX5 calipers and then coat (powder or paint). Have many of you don ethis in the past and what is the best way of
going about it without causing damage and achieving the best results?
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loggyboy
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| posted on 2/7/13 at 12:34 PM |
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Very pleased with my powdercoating. Does chip easier than paint though. I plan on doing a double coat of powder coat on exposed parts.
Mistral Motorsport
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rusty nuts
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| posted on 2/7/13 at 12:36 PM |
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Painting with POR15 followed by hardnose paint for me, stripping crap powder coating isn't fun
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Padstar
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| posted on 2/7/13 at 12:42 PM |
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Any pics of finished calipers in powder or paint?
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Daddylonglegs
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| posted on 2/7/13 at 01:55 PM |
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quote:
Originally posted by loggyboy
Very pleased with my powdercoating. Does chip easier than paint though. I plan on doing a double coat of powder coat on exposed parts.
I didn't think you could put a second coat on powder coating, I always understood it to be a one-layer only process?
Guess I must be wrong 
It looks like the Midget is winning at the moment......
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loggyboy
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| posted on 2/7/13 at 02:01 PM |
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quote:
Originally posted by Daddylonglegs
quote:
Originally posted by loggyboy
Very pleased with my powdercoating. Does chip easier than paint though. I plan on doing a double coat of powder coat on exposed parts.
I didn't think you could put a second coat on powder coating, I always understood it to be a one-layer only process?
Guess I must be wrong
It works on static, so aslong as the static charge can penetrate what your coating, and it can stand being heated, you can coat anything.
Electrostatic magic offers metallic 'flip/flake' coatings that are a two stage process, you do the base colour then and the flakes to a
clear coat that is add afterwards.
http://www.electrostaticmagic.co.uk/pages/additives
http://www.electrostaticmagic.co.uk/pages/faqs
Intrestingly the clear coat goes on white and clears as it bakes.
Mistral Motorsport
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Irony
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| posted on 2/7/13 at 02:42 PM |
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Done this powder coating thing lots of times on my car and I have found it to be a very very quick and very forgiving finishing method. This is what
I have found.
For:
1. Really really quick. You can powdercoat a small bracket and have it bolted on the car within 15 minutes.
2. Forgiving finish. You can fill tiny dinks quite easily
3. Looks good. As long as it's small and it can fit in a domestic oven then the finish is brilliant.
4. You CAN do as many coats as you require.
Against:
1. Bit of a faff with the airlines
2. My compressor is noisy. (not a fault of the process)
3. On multiple coats it will run like normal paint.
4. The 'high crome' or 'mirror' is CRAP. Looks like metallic grey.
5. When tightening a bolt it will crack and chip.
6. Not convinced the heatgun method is the best
7. Her indoors doesn't like you curing stuff in the kitchen oven.
8. Can burn if you leave it to long in the oven.
I really like my electromagic static powder coating kit. It's pretty awesome and I think the newer version is better than mine. The powder
goes a very long way and its so quick! I am quite looking forward to being a bit more adventurous when my cars finally finished.
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Irony
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| posted on 2/7/13 at 02:44 PM |
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Not sure I would powdercoat brake callipers. I think they my look crap after a while.
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loggyboy
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| posted on 2/7/13 at 03:02 PM |
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I would imagine standard coloured calipers are powder coated?
Mistral Motorsport
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rusty nuts
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| posted on 2/7/13 at 03:04 PM |
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quote:
Originally posted by Irony
Done this powder coating thing lots of times on my car and I have found it to be a very very quick and very forgiving finishing method. This is what
I have found.
For:
1. Really really quick. You can powdercoat a small bracket and have it bolted on the car within 15 minutes.
2. Forgiving finish. You can fill tiny dinks quite easily
3. Looks good. As long as it's small and it can fit in a domestic oven then the finish is brilliant.
4. You CAN do as many coats as you require.
Against:
1. Bit of a faff with the airlines
2. My compressor is noisy. (not a fault of the process)
3. On multiple coats it will run like normal paint.
4. The 'high crome' or 'mirror' is CRAP. Looks like metallic grey.
5. When tightening a bolt it will crack and chip.
6. Not convinced the heatgun method is the best
7. Her indoors doesn't like you curing stuff in the kitchen oven.
8. Can burn if you leave it to long in the oven.
I really like my electromagic static powder coating kit. It's pretty awesome and I think the newer version is better than mine. The powder
goes a very long way and its so quick! I am quite looking forward to being a bit more adventurous when my cars finally finished.
Just wait until the powder coating flakes off your Luego chassis unless of course the prep for yours is better than most I've seen
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PhillipM
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| posted on 2/7/13 at 03:42 PM |
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quote:
Originally posted by loggyboy
It works on static, so aslong as the static charge can penetrate what your coating, and it can stand being heated, you can coat anything.
Electrostatic magic offers metallic 'flip/flake' coatings that are a two stage process, you do the base colour then and the flakes to a
clear coat that is add afterwards.
Yep, I have all my strut braces done with a 3-step powdercoat, anti-rust undercoat, silver basecoat, candy red lacquer over the top:
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dave
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| posted on 2/7/13 at 06:01 PM |
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I wouldn't powdercoat new calipers as the curing (heating) process will damage the seals.
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ceebmoj
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| posted on 2/7/13 at 09:00 PM |
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quote:
Originally posted by PhillipM
Yep, I have all my strut braces done with a 3-step powdercoat, anti-rust undercoat, silver basecoat, candy red lacquer over the top:
They look relay good. how have thay held up to stone chips?
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PhillipM
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| posted on 2/7/13 at 09:13 PM |
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Pretty well actually, they do get some chips obviously, but it tends to be just the top colour layer that comes off, not the underneath, and it it
doesn't flake off around them, 3 thin coats seems to be better than the 1 thick coat usually applied with powdercoating.
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Irony
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| posted on 3/7/13 at 07:17 AM |
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I have never tried mixing/layering different colours like that. It looks awesome. Is that a professionally done job? If not where did you get
antirust powder from?
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PhillipM
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| posted on 3/7/13 at 07:33 AM |
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It's just a zinc-rich primer layer, so if it gets chipped down to the metal, the zinc should keep the steel protected, or at least stop any
corrosion spreading under the powdercoat.
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clanger
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| posted on 3/7/13 at 07:42 AM |
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make sure you preheat the calipers to remove any dissolved gasses/contaminents in the casting. found this out to my cost first time I tried. luckily
the powdercoat is quite pliable when its fresh out of the oven so can be peeled off like sunburnt skin 
Bit of a faff, but I would,nt do it with the seals in, a complete strip down is a must....
[Edited on 3/7/13 by clanger]
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Padstar
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| posted on 3/7/13 at 12:55 PM |
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Do any of you use your kitchen oven?
I am looking for a cheap 2nd hand oven but they are obviously big and i dont have any more room in my garage.
If you do does it smell, cuase any issues with cooking in after etc?
Should calipers just have the pistons and seals removed if powdercoating? If so is it straight forward to replace afterwards and do you coat the
grooves the seals sit in?
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PhillipM
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| posted on 3/7/13 at 01:26 PM |
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quote:
Originally posted by Padstar
Should calipers just have the pistons and seals removed if powdercoating? If so is it straight forward to replace afterwards and do you coat the
grooves the seals sit in?
Yes, Yes and god NO!
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clanger
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| posted on 3/7/13 at 02:37 PM |
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managed to blag a used (well used, students type) oven for nothing, mounted it on castors and wheel it in and out of the garage as and when required.
check your local dump/recycling place??? Would not recommend the one you cook your Sunday roast in.................
if you are careful when powdering you can remove excess quite accurately with a low pressure blow off gun, and excess will come off easily when its
fresh out of the oven........can be a bit hot though !!!!
High temp masking tape is available, but I can get away with normal stuff as long as its not in for too long?
[Edited on 3/7/13 by clanger]
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Irony
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| posted on 3/7/13 at 03:23 PM |
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Used my kitchen oven for curing parts with zero issues. I cleaned cylinder heads in the washing machine and stored engine parts in the living
room.............then I moved a woman in. I had to buy a new oven and used the old one for curing parts.
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loggyboy
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| posted on 3/7/13 at 03:59 PM |
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I picked up an old used electric oven from ebay for £40. sits nicely in my garage.
Mistral Motorsport
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