Hana ʻia ka pōʻai silika o Benson me ka mea kūlohelohe PVC resin kiʻekiʻe, ma o ka hoʻoheheʻe ʻana i ka wela a me ka extrusion, i hoʻoheheʻe ʻia i loko o kahi kaula silika i hoʻopili ʻia i ke kākoʻo PVC, ma hope o nā kaʻina hana nani.ʻAʻole i hoʻohui ka huahana i ka wax paraffin oxidized, he mea pōʻino i ke olakino, a olakino a ʻala ʻole.ʻO nā ʻāpana a me nā huahana i hoʻolei ʻia he resin thermoplastic recyclable.