Powder coat thickness

[markH]

I bought the gun from Electrostaticmagic and asked them the same question. They said thickness should only be 7-9 microns (1000ths of a mm) and this has been borne out from my testing.

They also supply the powder.

I looked at the "Wet" methods online and decided against it. From what I saw you often end up coating them twice and messing around with acetone didn't appeal either.

The gun works really well and produced perfect results first time of use. Of course you need a small compressor but definately worthwhile.

https://www.electrostaticmagic.co.uk/

[markH]

And the bullets look SO cool. I use red or Nato green

[acmsarh]

Just been out and measured some 44-40 bullets uncoated and sized v coated unsized.
Uncoated sized .4291".
Coated unsized .4318".
Total size increase from a light powder coat is an increase in diameter of .0027" , 2.7 thousanths of an inch or 68.58 microns.
I have tried the wet coating method using Acetone and powder , What a mess that was and when baked it looked like it had been applied by spitting it on.

[markH]

Just been out and measured some 44-40 bullets uncoated and sized v coated unsized.
Uncoated sized .4291".
Coated unsized .4318".
Total size increase from a light powder coat is an increase in diameter of .0027" , 2.7 thousanths of an inch or 68.58 microns.
I have tried the wet coating method using Acetone and powder , What a mess that was and when baked it looked like it had been applied by spitting it on.

But you're comparing sized uncoated bullets with unsized coated bullets The sized uncoated have already been reduced by the sizing process whereas unsized coated are as cast diameter and then coated.

[acmsarh]

The coated unsized only the coating has not been through the .429" die the bare bullet's have already beed sized to .429 before powder coating , The reason for 2 step resizing is that just to cast then powder coat before the sizing can be to big a step in size reduction , It can cause the bullet to smear going through the die so you size in stages.

[aris]

And the bullets look SO cool. I use red or Nato green

What method do you use to paint and cure the bullets? Do you place them on a tray pointing up, spray, then bake?

[markH]

I use a piece of perforated steel. I pre bake to 140 degreed so the bullets are hot when I spray. Then I spray, turn up to 180 degrees and bake for 20 mins.

I use perforated steel because sometimes the bullets are stuck to the tray and they're easier to break off.

Apparently some people use a non-stick baking sheet but I don't really see how the earth connection is maintained.

[Solvo]

I bought the gun from Electrostaticmagic and asked them the same question. They said thickness should only be 7-9 microns (1000ths of a mm) and this has been borne out from my testing.

They also supply the powder.

I looked at the "Wet" methods online and decided against it. From what I saw you often end up coating them twice and messing around with acetone didn't appeal either.

The gun works really well and produced perfect results first time of use. Of course you need a small compressor but definately worthwhile.

https://www.electrostaticmagic.co.uk/

I use this same kit, it's excellent.