I pained mine and if you use an enamel, gas is not a problem. Powderecoating has some problems.
What was the last thing you had powdercoated?
I'm currently beating the hell out of at least two powdercoated bikes.
No issues. No chipping, no peeling, no nothing
You've posted before about what a pain or problem powdercoating is/can be.
Back up the statement.
Maybe the problem is the powdercoater or the prep.
Not stirring you up or causing a rumble but come on man....show us something or speak from experience.
My love of podwercoat stems from buying some very expensive outdoor furniture that had been powdercoated, three years later I was at it with a can of Rustoleum. I am not alone since the Northeast is damper than the Mexican border.
The car restoration guys jumped at powedercoating frames until it peeled and they recieved customer beefs, or their own franmes chipped and rusted. It is hard to repair. Now theyt use the twpo part POR paint.
Powdercoat came about to circumvent the EPA regulations on VOC emissions and waste removal restrictions. It was tried in the Rail industry for the wheel trucks, the abrasive dust and vibration shook it right off. So now two part paint is used.
You want to powder coat a lamp to sit on the end table, that is cool. Maybe some cabin area panels on planes. But for things exposed to harsh environments. I think not
Not talking planes.....
Talking bikes.
Ok so you had a problem with patio furniture and Moisture.
I'm curious to learn why your patio furniture peeled.
(by the way...steel powdercoated in a marine environment is generally etched and phosphated. This is a step many places skip.)
Do you think it was the moisture or perhaps was there some part of the process or skipped part of the process) that made it especially susceptible to moisture?
Of course Powdercoat can chip.....so can paint. If either chips or is compromised....Rust is the result.
As a general rule edges are worse then large areas. Same as paint.
I've found that in general Powdercoat is more chip resistant then paint. When I say chip resistant I mean normal wear and tear.
Powdercoating is far superior to paint in terms of abrasion resistance.
Things that would chip and scratch paint do not seen to affect powdercoat.
Same thing for repeated wear applications. (abrasion resistance)
As far as repair goes....once powdercoat is chipped your kinda screwed. Paint it to match.
The purpose of paint or powdercoating is surface protection...the byproduct of which is beauty.
If I were a betting man I 'd venture that the problem associated with Railroad wheels had to do with the Mechanical interlocking of the applied layer to the wheels coupled with the extreme forces and environment.
Perhaps it was a problem with the application not diffusing into the substrate.
Paint has an edge up in both those.
Primarily this is due to Powdercoating being a "Dry" paint. There is generally no prime associated with the powdercoat (hence no chemical means of surface adhesion as you would have with an etching primer or a phosphate or zinc precoat. Think galvanized)
Bear in mind that many industrial/manufacturing places use a Thermoplastic Powdercoat vs a Thermosetting Powdercoat.
Also bear in mind the different types of powder coat.
There's Epoxy, Urethane, Polyester, and Acrylic. Same as paint because bear in mind powder coat is "dry" paint.
I'd bet your patio furniture was done with the cheapest process and cheapest type that was available to the manufacturer.
Anyways...Metal corrosion can be halted mechanically or chemically.
Take your pick.
