1707 — Jis Z

: To protect structural integrity against liquids, the swelling value of the material must not exceed 70% . Lower water absorption yields higher polymer stability. Core Standard Testing Methods

JIS Z 1707 is often confused with other JIS standards for plastic films. The table below clarifies its unique position. jis z 1707

Beyond mechanical durability, JIS Z 1707 plays a major role in consumer safety. The standard includes provisions regarding: : To protect structural integrity against liquids, the

| 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 | The table below clarifies its unique position

The draft of JIS Z 1707 is a [welcome update / insufficient improvement] that [improves alignment with modern packaging needs / introduces unclear test conditions]. Provided the above comments are addressed, the standard would be [fit for publication / needs another review cycle].

It applies to both single-layer and multi-layer plastic films with a thickness of less than 250 µm, though it excludes films that include metal foils or paper. Why It Matters: The "Tests"