Yes, but it may take a little longer than usual to etch. … It is possible to etch plastic with etching cream but it is not recommended.

What chemical will etch plastic?

Chemical oxidative processes include chromic acid, nitric acid and peroxide attack. Some plastics can be etched with strong base such as sodium or potassium hydroxide.

What material can you etch on?

Almost any metal and metal alloy can undergo chemical etching. This includes steel and stainless steels, nickel, copper and aluminium. What makes photochemical etching so effective is that it works well on hard-to-machine metals, including highly corrosive-resistant metals such as titanium and its alloys.