Closed cell cross-linked polyethylene foam product is the main raw material polyolefin, foam blowing agents and other additives have been mixed, and then extruded through the extruder, through the industrial electron accelerators produce high-energy electron beam irradiation to Cross-linking (and therefore different from the conventional chemical cross-linking, chemical cross-linking agent DCP toxic), thus changing the molecular structure of polyolefins into a tight three-dimensional network structure by free foam, stereotypes, and a series of follow-up processing of integer Process, to produce a high performance, high quality, delicate appearance, feel comfortable, good performance of secondary processing, non-toxic, tasteless grade closed-cell foam material.
Two major types of cross-linked PE foam are:
1. Irradiated Cross-linked polyethylene foam(IXPE FOAM) is very fine celled microcellular foam. Irradiated cross-linked foam is used for medical applications, heart forming, and high end protective packaging and consumer products. This foam can actually be printed on very clearly.
2. Chemically cross-linked foam(XPE FOAM) also has good physical properties, but has a larger more random cell structure. Chemically cross-linked foam can also be used for packaging, heat forming and a large variety of applications.