Ọkpụkpụ polyethylene (PE) bụ isi nkuku nke akụrụngwa ọgbara ọhụrụ, ejiri na sistemu mmiri, nkesa gas, na ịgba mmiri. N'ime obi nke imepụta ọkpọkọ ndị a na-adịgide adịgide bụ ahịrị PE ọkpọkọ extrusion, usoro ọkaibe nke na-agbanwe ihe polyethylene raw n'ime ihe dị elu…
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