color invading other areas

[Dog1]

i painted yellow on section of a 1/24 scale body and next day the white remainder of the part was yellowish . what caused this ?

[thegoodsgt]

To provide a better assessment, what specific paints did you use, i.e., the manufacturer(s)?

[Dog1]

i used Gunze mr color lacquer yellow on primed surface white Mr Surfacer same company . . I used the usual tape , copy of tamiya tape . The next day morning there is yellow faint spray all over the remainder of the white surface . amazing !!?? In the meantime i striped the entire paint and reprimed . Applied the yellow and taped all the rest and waiting 24 hrs to remove the tape .   

Edited June 27, 2021 by Dog1

[habu2]

Was there yellow “invasion” under your taped/masked sections?

 

Were you using a vented spray booth?

[Bob Beary]

Sounds to me like you did not mask enough or seal the white surrounding area tightly enough and just got over spray.

 

Bob

[Dog1]

no spray under tape , i dont use a booth , just mask , fan and open window . 24 hrs have passed and i removed the tape and there is no yellow spray marks on the surface of the tape , I am now going to leave it that way 24 hrs and see what happens and report back .

[Dog1]

no spray residue a day later . so the trick is to cover entirely the adjacent color .

[ElectroSoldier]

Sounds like over spray not colour bleed to me but on the info we have Im not 100% sure on anything

[Dog1]

it was overspray but it appeared a day later which i found odd . I now cover entirely adjacent areas for 24 hrs .

[ElectroSoldier]

There will be no time delay on over spray, it is possible that the coat is very light and it doesnt appear to be visible for a few hours though. But the over spray happened at the time you sprayed the paint.