Question

Paper greater than _______ g/m^2 is called paperboard.

(a) 200g/m^2

(b) 100g/m^2

(c) 500g/m^2

(d) 300g/m^2

I got this question in final exam.

My question is taken from Paper Basics in division Paper and Paper Based Packaging Materials of Food Packaging Technology

Answer 1

The correct option is (a) 200g/m^2

Explanation: Paper greater than 200g/m^2 (GSM) is called paperboard, as defined by ISO. GSM- Gram per square meter is used to express the amount of fiber. Paperboard is thicker than paper and has a higher weight per unit area.