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"Flame" Powder Coating Systems



Current question:

November 15, 2021

Q. Is need cost or commercial benefit between flame power coat and normal power coat. Will elimination of baking operation justify cost of flame consumable?

Shaunak Kale
ME - India-Maharashtra-Pune city
^


November 2021

A. Hi Shaunak. You'll probably want to hear both sides and make up your own mind based on your needs and situation. But my personal opinion is that conventional powder coating is substantially more popular because it is better and more economical in more situations.

Luck & Regards,

pic of Ted Mooney
Ted Mooney, P.E. RET
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
^




Closely related Q&A's, oldest first:

October 23, 2009

Q. Have you heard of the powder coating systems that does not need to be cured in an Oven?, there are some guns that spray with a flame and cure on the painted surface.
What are the problems you've heard of these kind of systems vs. regular powder coating?

Guillermo Maldonado
Sheet Metal shop owner - Monterrey, Nuevo Leon, Mexico
^


simultaneous





simultaneous
October 27, 2009

A. Without going into great details all the information on equipment and materials used... how the system works etc can be found at:
www.xiom-corp.com/en/xiom-system-components.html [ed. note August 2014: sorry xiom-corp.com is no longer functional]
As far as I am aware apart from thermoplastic coatings there are some TGIC polyester powders that are suitable for this process. Apparently it is used for on-site powder coating (no baking oven required). The powder is passed through a flame spray gun, exiting as a molten material and on cooling forms the protective coating. I am informed film weights are only controlled by the operator and is much slower than conventional powder coating.

Terry Hickling
Birmingham, United Kingdom
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October 27, 2009

thumbs up signThanks, Terry. This sounds like an interesting approach for on-site and large part coating. If anyone can point us to technical articles on the subject, that would be good, as the link is informative but it's cast in sales literature pap, which is not what is best for this technical education site, made possible by their competitors. Generic info please, readers. Your comments about the concept were very helpful Terry.

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
^


October 27, 2009

A. I have heard of the system that you mention but have never seen it. It involves spraying a molten plastic, so I will guess that it is rather uneven across a panel of any size and would expect adhesion problems if it gets the smallest amount out of optimum control ranges. I would expect the finish to be a bit rougher.
You might look at a UV cure. It will cost more, but no regular oven required.

James Watts
- Navarre, Florida
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October 28, 2009

A. Flame sprayed powdercoating technology exists and works quite well, but not in all situations.
Matching gloss levels is the hardest thing, but the technology has its place.
We have one in use.

geoff_crowley
Geoff Crowley
Crithwood Ltd.
Westfield, Scotland, UK
crithwood logo
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October 29, 2009

Q. Geoff,
Do you have a web site for your rig. I do not want to buy one, but would like to learn more about it.

James Watts
- Navarre, Florida
^


October 31, 2009

A. James,
The flame sprayed Powdercoating system isn't on our website.

But the website mentioned by Terry is as good a web info as there is. There are also some youtube clips by Xiom.

It is suitable for polyester thermosetting powders, despite what some say, though it is tricky to get this right. The makers make a special powder to go with the gun, but standard t/set polyester does work with appropriate settings, and use.
Its very easy to use with thermoplastic powders.
Its possible to powdercoat timber, cardboard even paper and glass, concrete etc.
Coating cardboard and paper shows how little heat it is possible to apply to the substrate, despite this being a qxy/propane flame. To coat metals though it is necessary to apply heat to the metal, if you want adhesion that is.

geoff_crowley
Geoff Crowley
Crithwood Ltd.
Westfield, Scotland, UK
crithwood logo
^


simultaneous November 2, 2009

A. Thanks for the response, Geoff, based on your experience, how can you compare the finish of this paint vs regular powder coating, as well as the costs involved, I mean, is it cheaper or more expensive?
Thank you
Guillermo

Guillermo Maldonado
- Monterrey, N.L., Mexico
^


November 2, 2009

A. A site where you can view the flame gun in action can be found at http://www.xiom-corp.com/en/video-clips.html   [ed. note August 2014: sorry xiom-corp.com is no longer functional]
This shows the latest development (they say five times faster than their last gun). It still seems to be 10 times slower than conventional PC equipment, however, as it requires no spray booth or baking oven, it's a question of swings and roundabouts. Check out all the sub titles as the one title after the "home" gives instances where this method has found to be very useful, coating rocks in garden so visitors don't walk over the flowers on dark nights.

Terry Hickling
Birmingham, United Kingdom
^


November 3, 2009

A. Costs of various coating systems vary from one country to another, but in general the flame system is cost effective for very small quantities where you measure the powder use in single kilograms, or where you count only 1-3 m2 area coated.
It's very slow, and using LPG and oxygen is an expensive heat source, as well as needing compressed air.
The quality is OK, and finish acceptable.

So for repairs to damaged coatings on installed metalwork, it's good.
For coating small objects in off standard colours where such a small job would interrupt production flow, its good.
But for coating larger areas, long runs of material etc, its too slow.
I've seen the bigger gun, its faster; but twice a snails pace doesn't catch a rabbit!

geoff_crowley
Geoff Crowley
Crithwood Ltd.
Westfield, Scotland, UK
crithwood logo
^


March 24, 2010

Q. Morning all, is the flame gun any good for doing on-site powdering on handrails or shop fronts, balustrades? Thanks

Richard Grinham
- Essex, London, U.K.
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August 20, 2014

Q. Is there any up to date (2014) information on these ovenless / flame powdercoating systems? Most of the companies I find in my searches are out of business and GONE. Thanks for any new ideas.

Scott Aumann
- Indian harbour beach, Florida USA
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August 22, 2014

A. I think there is a powerful group of vested interests which wishes to see this technology still-born.
Try Plascoat, in the UK, I believe they have not yet been compromised.
Hope this helps,
Regards,
Bill

William Doherty
Trainer - Newcastle, NSW Australia
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March 30, 2015

A. Hi, I have seen this working well; it is used for metal coating on site for acid environments such as minerals processing, swimming pool refurbishment and sealing concrete floors in cool rooms, etc. The company name is IBIX, an Italian firm but represented in many countries including USA and UK. It sells it through its TECNO SUPPLY Division. Hope this helps.
Richard

Richard Pitchforth
- Sydney NSW Australia
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July 21, 2017

A. Check out Aerofusion Technologies

Joseph Roberto
Protective coatings - Middlesex, New Jersey USA
^


July 2017

thumbs up sign Hi folks. We appreciate people responding to this thread, but this site is for technical information, not commercial sourcing or brand suggestions ( huh? why?). A good number of highly educational threads have been ruined and had to be deleted because of spam and commercialization ... if we print a suggestion for one brand or source, then we have to print "You suggested other sources but Brand MDM is better, stronger, faster, blah, blah, blah" ... and a race to the bottom is on :-(

Further, recommendations are suspect because this is a no-registration site where "satisfied customers" seem to sometimes post from the same URL as a vendor's website; and we can't balance praise with criticism because we can't prove that criticism is real rather than product assassination by a competitor -- which we obviously can't print.

Apologies but please try to use this site for what it's good for -- supply you own thoughts & experience with the technology. And try to avoid what this site is quite bad at, which is brands and sourcing :-) Thanks!

Regards,

pic of Ted Mooney
Ted Mooney, P.E. RET
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
^

Please see also --

Topic 50258 "Powder coating without baking"

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