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Hi guys,

Has anyone powder coated their R34 GTR rims and had the centre caps done as well?

I dropped my rims off tonight to get coated but they dont think they can do the centres due to them melting in the oven (200 degrees for 20min, i think) and dont want to waste one in the process just to try.

Any help would be great......

Cheers

NutR33

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some plastics can be coated, others cant .

IE -

ford falcon plastic tappet cover covers = yes -

ls1 inlet manifolds = yes

r34 plastic front cam gear covers warp in the heat

i should try it on the 33 gtst rim centres i have - but its a big risk on 34 GTR centres

Craved written on the back of an R34 GTR centre cap is

>PC+ABS<

SAE PC+ABS

I can take a pic if that will help.

N1GTR, last time i brought a centre cap it was about $80 trade price, part number 40315-AA310

Cheers

NutR33

Craved written on the back of an R34 GTR centre cap is

>PC+ABS<

SAE PC+ABS

I can take a pic if that will help.

N1GTR, last time i brought a centre cap it was about $80 trade price, part number 40315-AA310

Cheers

NutR33

LEGEND!!! Cheers :)

Craved written on the back of an R34 GTR centre cap is

>PC+ABS<

SAE PC+ABS

I can take a pic if that will help.

N1GTR, last time i brought a centre cap it was about $80 trade price, part number 40315-AA310

Cheers

NutR33

dude, thats exactly what i needed - cheers

the resins used in some PC/ABS blends seems to have a melt point of 260 degrees - suggests that coating them should not melt them at a lower cure temp of 180 degrees.

forgot to get the centre cap from the 33 gtst rims i have, if the makeup of those is the same then a test on those will let me know if they will survive.

if a photo can be taken of the back of it to display the re-inforcement setup of the caps, this will give a good impression of the likelyhood of shape change at these temps.

  • 4 weeks later...

gtst centres are PA6+PPE plastic - but they hold up fine under 180 degree coating temps

One i tested was filthy with old high temp matt black paint - once i find the clean pair that i didnt paint i'll start working out the coating process - thing to overcome with plastic is gas release from the plastic as the coating flows and links on the part

got mine powder coated in satin black (not quite glossy enough unless very clean and waxed) got the caps done as well. No problems at all

unless powder coater just sprayed the caps... not sure...

Edited by SS8_Gohan

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