... /TIE/PE/PE 7 layer coex film 2.high barrier,high strength 3.cost-effective 4.eco-friendly Hot ... sale high barrier 7-layer co-extrusion plastic packaging film Material7-layer ... dairyPlace of OriginHebei, China (Mainland)Brand NameBYModel NumberBY-1612feature1high barrier for water,oxygen,smell,retain freshnessfeature2oil resistance, low tempreture resistance,high ...