What is Cellular Plastic?

Cellular plastic is a collective name for a variety of different expanding plastics, depending on the chemical composition and the method used to expand it.

Cellular plastic has good insulation ability, strength, low weight, and is easy to process. It is suitable for applications such as insulation and foundation material in buildings and other facilities, as well as different types of packaging.

Commonly occurring types of cellular plastics are EPS, EPP and XPS.


EPS, expanded polystyrene, consists of small beads that are melted together under heat and pressure. EPS consists of 98 percent contained air, which gives it good insulation ability. It has also a high humidity resistance. Therefore it provides good protection against cold, wind, humidity and mould.


EPP, expanded polypropylene. The raw material for EPP is polypropylene granulate. EPP has very good shock absorbing ability, heat resistance, insulation properties, and is resistant to most chemicals. These unique qualities makes EPP useful in many areas, such as different recycling systems, packaging for instruments, cameras, technical insulation, car components, neck protectors etc.


XPS, extruded polystyrene, is a smoother material than EPS cellular plastic. It weighs more, can withstand higher compressive pressure and provides even better protection against humidity. XPS is extraordinarily well equipped to withstand great stress, humidity and frost.


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