What physical performance indicators should high-quality cotton packaging film have

2025-10-13

Essential Physical Properties of Quality Cotton Packaging Film

  • Tear Resistance

    Critical for withstanding friction and impacts during logistics. Prevents small scratches from developing into large gaps that could allow contaminants to enter and damage cotton fibers.

  • Tensile Strength

    Maintains film integrity when stretched during packaging and when supporting stacked bale weights. Prevents breakage that could lead to loose packaging and potential cotton loss.

  • Moisture Barrier Performance

    Blocks external moisture while allowing minimal air circulation. Prevents mold growth and quality degradation while avoiding trapped condensation that could harm cotton quality.

  • Heat-Sealing Strength

    Creates durable, leak-proof seals that resist peeling or breaking during transport. Maintains bale shape and prevents accidental package openings that could expose cotton to contaminants.

  • Puncture Resistance

    Protects against sharp objects from handling equipment or bale edges. Particularly crucial for long-distance transport or rough terrain where puncture risks are elevated.

  • Dimensional Stability

    Maintains consistent size/shape despite temperature/humidity fluctuations. Prevents shrinkage/expansion that could create packaging gaps or looseness during storage and transport.

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