Puncture strength is a critical property for food packaging films, as they must resist damage from sharp-edged contents such as bones, shells, or rigid product corners, as well as external protrusions during distribution. Insufficient puncture resistance can lead to pinholes, leaks, spoilage, and consumer complaints.
JIS Z 1707:1997 General rules of plastic films for food packaging jis z 1707
Dedicated test fixtures designed specifically to meet JIS Z 1707 requirements are available from various suppliers, ensuring accurate specimen clamping and alignment for precise puncture resistance measurement. Puncture strength is a critical property for food
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| Type | Designation | Application Examples | |------|-------------|----------------------| | Type 1 | General-purpose wrapping | Product overwrap, light-duty bags | | Type 2 | Heavy-duty packaging | Industrial liners, sacks, large bags | | Type 3 | Special quality | Anti-static, anti-fog, or high-clarity films |