amine estion 7 Low-density polyethylene (LDPE) is composed of Opolyethylene with high density plasticizers added to increase density O a mixture of polyethylene and polystyrene. Oprimarily highly branched, non-linear chains of polyethylene in a diffuse packing arrangement primarily linear and unbranched chains of polyethylene in a close packing arrangement. uestion 8 e and Submit Click Save and Submit to save and submit. Click Save All Answers to save all answers. Solution Low-density polyethylene (LDPE) is a polymer that is formed by units of ethylene. The Low-density polyethylene is composed of primarily highly branched, non-linear chains of polyethylene in a diffuse packing arrangement. .