Akpa poly kpara akpa bụ ụdị pụrụ iche nke akpa akpa akpa.Akpa a bụ akpa akwụkwọ na poly composite nke arụpụtara site na akwụkwọ kraft nke etinyere na akwa akwa poly.N'ebe a na-ejizi ihe siri ike karị, akpa poly kpara akpa ga-apụta n'elu akpa akwụkwọ ochie gị n'ihi ike ya dị elu, ịdịte aka na nkwụsi ike akwa.Akpa a ga-ebu ngwaahịa gị n'enweghị nsogbu na nchekwa maka njem ma zere ụgwọ ndị nwere ike ị ga-efu ngwaahịa na-abịa site na nkwụsị.N'ịbụ a denser akpa na siri ike na ewepụghị elu yiri multiwall akwụkwọ akpa, na akwụkwọ poly kpara akpa nwere ike iji na otu multiwall akwụkwọ akpa nkwakọ equipments ka n'ụzọ zuru ezu ma ọ bụ ọkara akpaghị aka gị akpa ahịrị.