Films must meet specific hygiene standards for food contact surfaces.
Established by the Japanese Industrial Standards Committee, JIS Z 1707 specifies the requirements for plastic films used specifically for general packaging. Here is a comprehensive look at what this standard entails and why it matters. What is JIS Z 1707?
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The requirements are grounded in human factors research on how the visual and musculoskeletal systems respond to prolonged display use: jis z 1707
Requirements regarding heat resistance, tensile strength, and sealing performance.
: Heat resistance is classified into six levels based on temperature/time combinations: 120°C/60 seconds, 110°C/60 seconds, 100°C/60 seconds, 100°C/30 seconds, 90°C/30 seconds, and 70°C/30 seconds. A film’s heat resistance is determined by subjecting a sealed pouch containing a saturated sodium chloride solution at 40°C to the specified temperature and time, then inspecting for deformation, delamination, or seal peeling.
The standard ensures that manufacturers produce films that can withstand the stresses of the supply chain—from the heat-sealing process in the factory to the pressure of stacking in a warehouse. Key Testing Parameters Films must meet specific hygiene standards for food
: Measures the force required for a thin pin to penetrate the film. This ensures bags don't easily tear when placed in backpacks or handled by consumers. Tensile Strength & Elongation
The most crucial aspect of the standard is ensuring that no harmful substances leach from the packaging into the food. JIS Z 1707 sets strict limits on the migration of chemical constituents, such as antioxidants or other additives, ensuring the material is suitable for direct food contact. 2. Physical and Mechanical Strength
To comply with JIS Z 1707, films must undergo rigorous testing to ensure they can protect food during shipping and handling. The most notable tests include: Puncture Resistance What is JIS Z 1707
Therefore, a product compliant with JIS Z 1707 is essentially "double verified"—it meets legal safety requirements and superior quality benchmarks.
How the film reacts to heat and moisture. 2. Physical and Mechanical Requirements
It helps manufacturers meet the strict hygiene regulations in Japan, often used as a benchmark for biodegradable edible films and conventional plastics alike.