Hi,

What produce better surface quality? I have tried wipe on method, but it leaves wipe marks and wet marks to some places. Can someone who sprays semi-permanent can talk about the difference from wiping. I am using Frekote.

How are you applying it? And what too?

Spraying really just wastes a lot of material and can be extremely unhealthy. 75% of what you spray just goes into the atmosphere. If you needed 250mls to properly treat a tool, you would need to spray 1L. Massive massive waste.

Wiping it on gives great results as long as your technique is right, ie. not applying it too wet, leaving long enough between coats, etc. I do find Frekote leaves a bit more residue than more modern semi-perms, but it isn't actually a huge problem - it's virtually invisible on finished parts, and a quick polish with a finishing compound will remove it completely. I do prefer Chemtrend release agents though.

@ Hanaldo
Yes I know It is lots of waste, but the surface quality matters more. PS I can't polish the final product, it is matte looking.

@ scottracing 
I have tried cotton cloth and paper towels. 5 coats, slightly wet film, 15 minutes between coats. I am using Frekote NC44. My moulds are like rectangular bowl, lots of corners.

+x

 

Lester Populaire - 5/6/2019 6:40:33 AM

try to wipe on and wipe off 15min later with a cloth that is barely wet with frekote and keep polishing. never used frekote but should work i assume. for things like this i like to use axel 832 which is really easy to apply. 

I can't do that, because my frekote vaporize in seconds and unevenly. But I think it's time to try other brand. 

But other thing is multiple coats. I was thinking, that if I put next wet coat on and wipe it off, doesn't it destroys the previous coat, because like frekote says not to touch the wet coat?