Ngwaahịa a na-eji akwa akwa 3 (PET/VMPET/PE), nke na-eme ka ike nke akpa akpa ahụ dịkwuo mma.Ụdị ọdịdị pụrụ iche na-agbakwụnye mmasị nke ngwaahịa ahụ ma mee ka ngwaahịa ahụ dịkwuo mma.
Ngwaahịa a na-eji 2 n'ígwé ihe (PET/PE), nke na-eme ka ike nke akpa nkwakọ ngwaahịa dịkwuo mma.Ụdị ọdịdị pụrụ iche na-agbakwụnye mmasị nke ngwaahịa ahụ ma mee ka ngwaahịa ahụ dịkwuo mma.
Ihe a kapịrị ọnụ nke akpa a bụ PET12/VMPET12+PET12/PE110, nwere ọtụtụ ihe mejupụtara na azụ n'ime VMPET.Na n'elu zipa enwere ike mechie maka ojiji ọzọ, ọ nwere ike iguzo ọtọ ma na-enyere aka igosipụta shelf.
Ngwaahịa a na-eji 4 layers nke ihe onwunwe (PET/VMPET/NY/PE), nke na-eme ka ike nke akpa nkwakọ dịkwuo mma.Ụdị ọdịdị pụrụ iche na-agbakwụnye mmasị nke ngwaahịa ahụ ma mee ka ngwaahịa ahụ dịkwuo mma.