Grammage
Weight per surface area of paper or cardboard. It is measured as grams per square meter (ex.: 80g/m².) A 300 g sheet of paper weighs 300 g per m². The higher the weight, the more rigid the paper/cardboard.
Weight per surface area of paper or cardboard. It is measured as grams per square meter (ex.: 80g/m².) A 300 g sheet of paper weighs 300 g per m². The higher the weight, the more rigid the paper/cardboard.