The process of Vacuum Forming is very simple and consists of a few steps.
Step 1: Developing a Mould
It starts off with a mould. This can be made of aluminium, wood, cast resin, clay, foam, MDF or almost any other material. The common plastics used in Vacuum Forming are HIPS, ABS, Perspex and PVC. However, almost any plastic material can be used in this process.
Step 2: Heating the Plastic
The plastic is heated and, once it is malleable, the mould is pushed into the plastic. The plastic is then vacuumed onto the mould. This allows the plastic to adopt all the details of the mould, making it identical to the mould itself.
Step 3: Cooling
Once the plastic has cooled down, the new product is ready for use.