... physical and so on. Characteristics:1). Optically brilliant, clear appearance2). Unequaled mechanical strength and toughness3). Excellent dielectric ... a wide range of gases.10).Widely use for packaging, printing, laminating,metallizing, decroation, electrical ... lengths of reel roll equal to 12 µm film roll lengths are 6000m, 12000m, 18000m,24000m and ... width jumbo roll. . pet base film for packing