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DIY Powder Coating

Peter Holmes

Well Known and Active Website User
VOC Member
Although he achieved what I would describe as limited success, I am struggling to understand why it is necessary to thoroughly clean and degrease, if you are then going to evenly coat the surface with WD40, isn't that an oily petrochemical product, I really cannot see how it could promote good adhesion.
 

Bill Thomas

Well Known and Active Website User
VOC Member
Years ago WD40 was very explosive , I used to start cars by squirting it down the Carb' !,
But I think they have detuned it a bit ?,
Be careful putting it in the Oven !.
Where would you get the Powder ?.
Just a bit of Fun.
 

Peter Holmes

Well Known and Active Website User
VOC Member
I first discovered WD40 over 40 years ago, I had always previously used Plus Gas, back then WD40 went under the pseudonym of Rocket, when I enquired why I was told it was literally rocket fuel, I have no idea of the veracity of that information, seems a little unlikely to me.
 

vibrac

Well Known and Active Website User
VOC Member
It would seem a good way to obtain a durable undercoat I would be interested to see what a coat of black paint would add to the coverage and durability I guess for situation where coloured hardware and small components are concerned (eg nuts) it would be a good option on its own.
 

timetraveller

Well Known and Active Website User
VOC Member
I have suspicions that WD 40 is not the best way to ensure adhesion between the powder coat and the metal. The chaps who do my work blast clean everything, then get the part a little bit warm and use an electrostatic gun to apply the powder and then bake it to a temperature at which the powder melts. The are very fussy to prevent any contamination of the metal before applying the powder.
 

Cyborg

Well Known and Active Website User
VOC Member
I thought it might be a Gun ?.
Probably AR15. They are banned here. Also not allowed to have rocket launchers or grenade launches either! What is this world coming to? I do powder coating and can’t imagine WD40 helping with adhesion. Yes it works to I to hold the powder in place before baking, but can’t imagine that all of slippery things are baked off completely. Egg whites might work better?

edit... while baking at that temperature would likely burn off most of the WD ingredients and the residue should have likely lost any of it’s slippery qualities, I don’t think the powder coating would allow it to burn off completely. There is also the likelihood that the outgassing would make the final finish less than desirable.
.211EF62A-A249-4FF7-82C0-FB0DBD560BE8.jpeg
 
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Magnetoman

Well Known and Active Website User
VOC Member
I probably shouldn't write this about a youtube video featuring a part from an AR15 assault rifle with a 5-gallon bucket filled with spent shells in the background, and made by someone who well might have been in Washington DC last week, but that powder coating looks like crap. An etching primer followed by a spray paint certainly would adhere as well as a layer of plastic melted over (and contaminated by) a film of WD40. And it would look a lot better.
 

greg brillus

Well Known and Active Website User
VOC Member
An aftermarket side stand is about the only thing on a Vincent I would powder coat.......To me it is just "Too heavy" a coating to use on motorcycle parts. The available paints these days are pretty hard to beat.
 

Cyborg

Well Known and Active Website User
VOC Member
I don’t think I’ve ever powder coated a Vincent part. I did the Triumph side covers mainly because my painting area was covered in powder. Although.... speaking of side stands, the cover will probably survive better when the thing snaps off and the bike falls over. I do like using powder coating for small bits like engine plates. Other than that, not really a big fan... wouldn’t get a frame powder coated and the mess drives me nuts.
 

Bill Thomas

Well Known and Active Website User
VOC Member
I just thought it might be handy, Never seen it before,
I have never used it , But Ron had some proper powder coat done, Very cheap ??.
Sounds like I should have kept it to my self, Like the Wife is always telling me !.
 

Chris Launders

Well Known and Active Website User
VOC Member
I had my primary cover done, 3 times, problems caused by the oil in the slightly porous casting leaching out in the baking process, not reccommended for used casting unless they are die cast.
 

Cyborg

Well Known and Active Website User
VOC Member
I just thought it might be handy, Never seen it before,
I have never used it , But Ron had some proper powder coat done, Very cheap ??.
Sounds like I should have kept it to my self, Like the Wife is always telling me !.
Powder coating definitely has it’s place and always interesting to see what other folks are up to.... just all opinions anyway. If I spent the money to buy the kit and keep making a colossal mess with it, it must be useful?? I do like the finish you get when things go the way they are supposed to. And Bill... if you kept things to yourself, this place just wouldn’t be the same.
Your contributions are always appreciated....
 
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Cyborg

Well Known and Active Website User
VOC Member
I had my primary cover done, 3 times, problems caused by the oil in the slightly porous casting leaching out in the baking process, not reccommended for used casting unless they are die cast.
Sounds like my Comet cylinder muff. the thing is like an Oilite bushing. I think if you baked it beforehand for about a month, it probably would have been ok.
 

Bill Thomas

Well Known and Active Website User
VOC Member
Thanks Mate, Good one :D.

Not sure your right, But !.

I remember the late John Dathen , West London,
Saying The black powder coating He had done, Was a different black !! to the other black paint on His bike,
Now I am Colour Blind, But I know what he meant,
So you have to be careful where you put it, Not too close ? to another type ?.
Cheers Bill.
 

Cyborg

Well Known and Active Website User
VOC Member
Although I do some powder coating, I haven’t spent any time delving into matching colours. There are lots of different shades available now, so someone who is good at it could probably get “reasonably“ close? You can also wet sand and buff the powder coating to improve the finish, but doubt you could get it to the point where it was indistinguishable from the paint next to it. My Comet frame, tank, and seat cowl are all painted with black epoxy, but the belly pan is black powder coat in hopes of slowing down the gravel rash from the front tire. Far enough away from the paint that you can’t tell... not that it matters at all. The ocular trauma caused by all the Japanese, German, and Italian parts will probably prevent anyone from noticing the difference.
 

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