What us "plasticizedIt looks like the vinyl has plasticized.
Plasticizer is an ingredient in the vinyl that helps keep it stretchy and supple. If the material is old or has been exposed to high heat, the plasticizer comes out of the vinyl and contaminates the surface.What us "plasticized
Like when you grab and old car steering wheel and it's covered in gross oily stuff.Plasticizer is an ingredient in the vinyl that helps keep it stretchy and supple. If the material is old or has been exposed to high heat, the plasticizer comes out of the vinyl and contaminates the surface.
Also, if it's an open roll, climate and humidity will affect shelf life.Usually written on the spec sheet. For the Arlon material above, the sheet says 1 year.
This ^^^^Shelf life depends on how bad you need it. I have stuff that's probably 7-8 yrs old and in a pinch, it works great.