Calendaring (thermoplastics)

Question 1

What is a calendar?

Answer 1

A calendar is a set of rollers

Question 2

What does calendaring produce?

Answer 2

Thin sheets such as cling film, building plastic, damp-proof courses, A4 folder pockets

Question 3

Explain the 3 step process of calendaring

Answer 3

1. Soft plastic is rolled by sets of cylinders.
2. Each set of rollers makes the sheet thinner.
3. Finally, the plastic sheet is rolled up.