Porex is a very well-known material and at C&S we offer sheets of various thicknesses that are perfect for packaging, insulation or for creating sculptures and all kinds of handicrafts. This packaging offers excellent hot and cold insulation. This enhanced insulation capacity is down to the structure of the material, which essentially consists of air trapped within a cellular polystyrene structure.
It is around 98% air and only 2% solid material (polystyrene), as trapped air is an excellent thermal insulator.
The thermal insulating capacity of a material is defined by its thermal conductivity coefficient λ
Expanded polystyrene chips (Expafill) can be used anywhere, even at automated packaging facilities. A small product with big benefits: it can be stored for an unlimited period of time and its minimal weight per unit volume reduces transport costs.
It is 100% recyclable, has no effect on groundwater, is suitable for use with foodstuffs and can be made without CFCs.