| Property | Typical Requirement (Grade example: Type 2) | | :--- | :--- | | | ±10% of nominal (e.g., 0.05 mm, 0.10 mm, 0.20 mm) | | Tensile strength (MD/TD) | ≥ 24.5 MPa (250 kgf/cm²) | | Elongation at break | ≥ 250% (MD/TD) | | Tear strength (JIS K 7128) | ≥ 0.49 N (depending on thickness) | | Impact strength | Specified using the pendulum method | | Water resistance | No water penetration under defined hydrostatic pressure |
To comply with JIS Z 1707, plastic and edible films are typically tested for several physical and mechanical properties: jis z 1707
JIS Z 1707:1997 General rules of plastic films for food packaging | Property | Typical Requirement (Grade example: Type
Industries that mandate often do so to ensure consistent machinability on high-speed packaging lines. jis z 1707