Inyungu y'ibicuruzwa:
Igishashara cya polyethyleneifite imikorere myiza yo hambere, hagati na nyuma yo gusiga amavuta, ugereranije nigishashara gito cya polymer, ifite imiterere myiza ya rheologiya nibyiza bihendutse;ibishasharaigira uruhare rwo gutatanya, kurwanya ibishushanyo no kurwanya ibishishwa mu ifu.