Degreasing of the preprinted surface of plastic containers

The stains on the surface of plastic products or the release agent will affect the adhesion of the ink. The purpose of cleaning and degreasing of the surface can be achieved by alkaline aqueous solution, surfactant, solvent cleaning and sandpaper polishing.

Plastics with good adhesion to screen printing inks, such as ABS, polystyrene, and plexiglass (polymethyl methacrylate), are mostly wiped with lower alcohol solvents (such as methanol, ethanol, isopropyl alcohol, etc.) or sanded. Degreasing can be achieved.


Source: China Washing & Dyeing Industry Information Center