Powder Coating heat

Powder Coating heat

Author
Discussion

737 FLF

Original Poster:

173 posts

180 months

Thursday 19th May 2022
quotequote all
Hi Guys,
I have a front wishbone that needs repainted. It has perfectly good standard bushes in it.

Question: Would the heat of powder coating oven destroy these?

Cheers

Al.

NicBowman

785 posts

245 months

Thursday 19th May 2022
quotequote all
Hi, I would use Rust-Oleum. The reason being it is available in exactly the correct colour, grey white. I will look up the RAL number. Do it yourself, it dries beautifully smooth.

The protective properties of powder coating now known to be imperfect, hence rusty chassis and wishbones all over the place.

There are a million views on preferred paint, but only one, as far as I am aware, in the correct colour.

On your question, temperatures are up around 200C. So you could cook a chicken. They may survive, rubber can go pretty hot and survive, but on the edge there… in my view.

Best

Nic

NicBowman

785 posts

245 months

Thursday 19th May 2022
quotequote all
RAL9002 grey white.

Pete Mac

755 posts

144 months

Thursday 19th May 2022
quotequote all
Hi Al

I would say almost certainly yes. For powder coating to be effective you end to get the item up to 180C. and hold it there for about 10mins. I can't categorically say this will affect the rubber in the bushing but I think it's highly likely.

Why are you powder coating? You would normally powder coat media blasted bare metal but having the bush in will make this difficult. Why not wire brush and put a high zinc paint followed by a chassis paint or 2 pack epoxy paint instead.

Just to say, I'm not a professional but I do quite a lot of powder coating using an Eastwood gun and a large domestic oven I got from Fleabay.

Hope this helps

Pete

porterpainter

766 posts

44 months

Thursday 19th May 2022
quotequote all
NicBowman said:
Hi, I would use Rust-Oleum. The reason being it is available in exactly the correct colour, grey white. I will look up the RAL number. Do it yourself, it dries beautifully smooth.

The protective properties of powder coating now known to be imperfect, hence rusty chassis and wishbones all over the place.

There are a million views on preferred paint, but only one, as far as I am aware, in the correct colour.

On your question, temperatures are up around 200C. So you could cook a chicken. They may survive, rubber can go pretty hot and survive, but on the edge there… in my view.

Best

Nic
Any Rust-Oleum product in particular do you recommend Nic? Thanks

NicBowman

785 posts

245 months

Thursday 19th May 2022
quotequote all

NicBowman

785 posts

245 months

Thursday 19th May 2022
quotequote all
Plus undercoat of your choice. I like to put a little thinners with the top coat, but purely personal.

This stuff works to touch up anywhere in the chassis, as it matches exactly.

If you want to get the old powder coat off, I use an air tool with sanding disc, 2 inch diameter. Brilliant.

737 FLF

Original Poster:

173 posts

180 months

Wednesday 1st June 2022
quotequote all
Good advice and common sense as usual.
Thanks Guys.

Cheers.

Al

Paulprior

871 posts

112 months

Tuesday 7th June 2022
quotequote all
I tried powder coating with some old bushes in, they start melting quite quickly

MikeE

1,850 posts

291 months

Wednesday 8th June 2022
quotequote all
NicBowman said:
Plus undercoat of your choice. I like to put a little thinners with the top coat, but purely personal.

This stuff works to touch up anywhere in the chassis, as it matches exactly.

If you want to get the old powder coat off, I use an air tool with sanding disc, 2 inch diameter. Brilliant.
Just reading the details on the Rawlings site and it says direct to rust, no undercoat necessary?