Hy there.
Salute from indonesia.
i am new for this kind of job, helping run for surface treatment shop, but there is no standard here like ISO cleanroom, when I take my diploma degree, we didn't discuss about this one, because it has controlled for the lab like ISO 6 and ISO 7, but at my new...
1) Bake it after all of the washing and before the painting. Baking is a great way to drive off volatile compounds.
ans: thanks for your advice, gonna try soon.
2) Degrease it first, then bake?
ans: we don't try that yet, cause the oldest way we know is de-grease first then spray with airgun...
1)Perhaps there is dust/detritus in the spray booth? I'd suggest oils on the part, but that typically results in an open pore rather than a bump. A picture would help us define what's actually there...
ans; soon i'll post the pict
2)-Mold release compounds usually causes "fish-eyes". Plastics...
solvent popping occur when curing temperature too fast isn't ? i thought, that is not my problems, cause before we place part to the oven, i can see the bubble at first.
sorry for the letter, English is not my first language.
Ramadhani
Hy there, i have a few question about painting defect,
now i run my shop for painting plastic material to supply metallizing process, but when we use basecoat material,most of them is not good, like there is bubble, or grain of sand, or even like a contamination.
if you have any clue of it...
