The VMBOPET film is made of the BOPET aluminium metalizing substrate film metalized in vacuum metalizing machine. It has good flatness, high stiffness and excellent barrier performance. It is laminated with other materials for bag making.As interlayer or printing surface layer for multi-layer laminating structure.VMBOPET film can be laminated with heat sealing CPP lamination film for bag making, suitable for all kinds of food, medicine and cosmetics packaging.  CHARACTERISTIC: *Good flatness *High stiffness  *Excellent light-shading performance  *Excellent glossy appearance of aluminium metalizing layer,excellent foil ability to ink colour.  *Excellent barrier performance Physical and   Mechanical Properties Item Name Standard Value Typical Index Testing Standard Tensile Strength Mpa  MD â?¥170 216 ASTM D638  TD â?¥170 267 Elongation at break % MD â?¥80 153 TD â?¥80 115 Thickness of Aluminum Layer Ω â?¤2.5 1.8 ASTM   D1003  Aluminum Layer Uniformity % â?¤   ±15% â?¤   ±8% Thermal shinkage % MD â?¤3.0  1.5 TD  â?¤2.0  1.5 Surface Tension dyn/cm  Treatment   Surface â?¥38 â?¥38 ISO   8296 Non-treatment   Surface     Dynamic Friction Coefficient  Between Non-treatment Surfaces 0.25        ASTM           D1984