Question

Film extrusion process, best involves film having a thickness below what length?

(a) 0.2 mm

(b) 0.3 mm

(c) 0.4 mm

(d) 0.5 mm

I got this question during a job interview.

The query is from Extrusion in Polymers topic in section Moulding with Polymers of Casting-Forming-Welding II

Answer 1

The correct option is (d) 0.5 mm

Best explanation: Extrusion of films is one of the most important processes in extrusion. For the films having a thickness below 0.5 mm, these films are best suited for extrusion and can be further applied for making various bags.