paul
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I always use base coat as a flake carrier then bury it with clear but depending on how much you lay you could have drying issues with base as it has limits on film thickness ,large flake is more problematic and i usually stick to small or micro flake and HOK Metajules
dont waste your money 😉
Also the danger is when you dont use a heavy enough scratch over existing clears ,not so critical on fresh clear which will also crosslink but old stuff wont and that is where you will get delam if the clear is sanded to finely
for blow ins I can also use heaver grades but will use a foundation coat of clear base to fill the scratch ,not required for a solid colour but definitely needed for mets and pearls ,if I dont use a heavy grade I will then use P800 on the DA especially for silvers and difficult blends ,darker pearls you can get away with blue murder and I have used P400 on the DA with say Ford panther black
I do a lot of custom work which has high build tape lines so my process is to clear with at least three coats then sand back using the DA with P400 then re clear ,I get absolutely perfect results ,remember all clear is is direct gloss but lacking any pigment and it will cover and fill the same grades as direct gloss pigmented paints will 😉 if basecoat covers P320 DA scratches as recommended by most paint manufacturers then it will certainly work with high solids clears etc
I still come across painters who believe the finer the sanding the better finish it will produce ,trying to explain that using 1500 when re clearing is wrong can still create arguments ,some sprayers think the scratch will show through the clear which is nonsense ,I DA back with anything from 320 to 600 for re clearing
as for base depending on if it is a solid or a metallic or pearl anything from 320 to 500 DA or 600 to 800 wet n dry ,not that I wet sand much these days
possibly sanded with too fine a grade ,especially if it was water based paint ,or water based that has not fully dried prior to clear coating ,but when I have had that happen i also got microblistering
we have an octoral solvent scheme, DeBeer is considered about the best B grade system about ,our scheme does the job well except for the odd colour we cannot mix and have to use water and the odd one thats a bit out but usually adjustable
They have always been great for base but Iwata tend to make niche guns and then niche set ups for those guns so now there are a few dedicated set ups for the Supernova
Optimised Base
I believe the OB nozzles are different but what the difference is is beyond me ,my mate has the Caterham OBS 1.3 and prefers it for clear over his original 1.4 nova ,but many of the supernovas end up on ebay without much use with the reason “cant get on with it” ,personally I think the Bellaria is the better deal and better gun for clear applications and my mate who had one off me used it for a base wash which his other guns wouldn’t lay correctly
glad it is serving you well 😉
yeh everyone who had one of those Bellarias loves them ,wasnt me roberlo had the nova off I have only sold two of them over the years but i can get them new at the right price and all Iwata guns and airbrushes
Not tried one yet but from the off most reports I heard where sprayers prefered the 3000
We have a few guns available for clear and I have used a few Sata guns inc the nr2000 rp with both 1.2 and 1.3 ,many sprayers chose to change to the 1.2 from a 1.3 to slow them down a bit ,I myself loved them with a 1.2 for the finish quality ,we have a 3000 rp 1.3 at work ,its is more than fast enough for most jobs and I suspect a 1.4 would not suite my style which is a more relaxed pace ,the only time I like a lot of product and speed is when doing commercials
My current weapon of choice is an OPTIMA Trilogy AS with a 1..3 ,fast gun but with a superfine finish ,not used anything that can match it so far including supernovas
If I want really really fast I break out my old AID Superhawk with a conventional 2.0 set up ,it is basicly a Binks 630 rebranded for AID with slightly different style gun body
Lidle do a pretty good one for £24.99 and it has a three year warranty ,the pad is a bit hard but cant really fault them and the self vac works well
To perfect finish can you do me a favour and please get yourself another avatar as that is mine and the image is of my work ,thanks Paul AKA ARTSPRAY