- dimensional stability
- mechanical resistance
- resistance to athmospheric and chimical agents
- thermic resistance
- food properties and non toxicity
- flame retardancy
- design and aesthetics
- absence of electrostatic charge
- low friction coefficent and abrasion resistance
- spreading currents
- shielding to electromagnetic interferences
- transparency
- replace materials for costs and works reduction
- high production and high process automation
- respect of regulations and tests