MANUFACTURING PROCESS

Unique Process
Zotefoams plc products are made by a unique high pressure nitrogen gas solution process.

The superiority of these products, compared with polyethylene foams made by other technologies, stems directly from the use of this high pressure gas technology.

This produces a pure, chemically inert foam without blowing agent residues and with a uniform cell structure and regular cell walls. The process comprises three main stages:

(a) High quality extrusions and cross-linking of solid polymeric sheet.

(b) Impregnation of solid sheet with pure nitrogen gas at elevated temperature and extremely high pressure.

(c) Final expansion of the impregnated solid sheet in the low pressure autoclave.

The separation of the process stages allows very accurate control of the individual parameters governing consistent production of high quality foams.

The Zotefoams Difference