Foam

Name	Summary Information	Definition Information
Expanded polypropylene (EPP)	The stuff that usually comes in boxes with stuff that you buy. When you break it, it gets everywhere. It can be made more sturdy or the exact opposite by application of the process.	Expanded polypropylene (EPP) is an engineered plastic foam material. By combining polypropylene resin with magic dust, and applying heat, pressure and CO2 in an autoclave, the material is formed into small plastic beads. These small, closed-cell foam beads are injected into a steam chest to create parts custom moulded into complex shapes using steam heat & pressure.