I dunno…. I have painted hundreds of resin figures and ships and have never needed much more than simple cheap primer. Ten years later the paint is still there.
Of course, we need to be specific on what type of resin. The resin that is used for ships from say Combrig, Niko, etc. I generally prime without even washing.
The 3D figures I am getting of Etsy, Fallout Wasteland Warriors etc. and ships from WTJ: Right to simple primer.
The bendy resins (I think it is resin) Mantic is using in their Armada ships is the same way.
The gummy bear figures coming out of Warlord? Jury is till out. They seem to take the primer OK, but its only been a couple months for the paint to dry.
On the other hand, there have been some resins (or plastics – the difference is getting blurred) from Privateer Press that have needed a sonic bath before they would take anything.
discovers a better way to fill in hollow plastic bases.
