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Sinolong New Materials
Supamid® EHA® High Barrier
Supamid® EHA® High Barrier is a high-barrier BOPA film from Changsu Supamid® Films series, available in two models: EHAp (Standard Type), EHAr (Retortable Type).
Material: Polyamide 6 (PA6) + High-Barrier Resin; Process: Biaxial Orientation; Corona Treatment: Single/Double Side
Suggested processing conditions
Scope of application
Supamid® EHA® High Barrier is specifically engineered for food packaging applications demanding exceptional gas barrier properties and flavor/aroma preservation, including sauces, meat products, nuts, pre-cut vegetables, pastries, and pet food. Its superior oxygen barrier performance effectively maintains the original freshness and flavor profile of packaged contents over extended periods, while the high transparency allows for product visibility - enhancing consumer confidence and purchase motivation. Notably, unlike metallized or coated barrier films, Supamid® EHA® High Barrier maintains stable barrier properties even after processing and when subjected to repeated folding or twisting stresses.

Beyond food packaging, EHA also finds applications in cosmetic mask packaging, premium balloons, and VIP (Vacuum Insulation Panel) industrial packaging, delivering reliable airtight performance for sensitive products across both consumer and industrial sectors.
Product Features
  • Superior barrier properties against gases (O₂, N₂, CO₂), aromas, and odors.
  • Stable barrier performance unaffected by processing stresses - including stretching, scratching, twisting, or folding.
  • Maintains excellent mechanical properties (High impact resistance and superior puncture resistance) equivalent to standard BOPA films.
Main technical index
Standard specifications