PP/PE flexible film for packaging syringes
PP/PE flexible film for packaging syringes，PP/PE flexible film is a "powerful combination of two materials."
It's important to understand that PP/PE flexible film isn't a single material.
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PP/PE flexible film is a "powerful combination of two materials."
It's important to understand that PP/PE flexible film isn't a single material. Instead, it's made from polypropylene (PP) and polyethylene (PE) through coextrusion or lamination. When PP and PE are combined through lamination, the resulting flexible film combines the "strong protection" (heat resistance and tear resistance) of PP with the "high sealing" (fitting and impermeability) of PE—a perfect match for the core requirements of syringe packaging.
Syringes require packaging that's far more demanding than ordinary goods: they must be shielded from bacteria, dust, and moisture, withstand sterilization processes, and ensure quick and easy opening (without hindering medical personnel's operation). PP/PE flexible film perfectly meets all these requirements.
Stable Heat Seal Performance: Syringe packaging often utilizes heat seals (e.g., three-side seals and four-side seals). PP/PE film boasts high heat seal strength, making the seals resistant to cracking. Even with the bumps and pressure of long-distance transportation, there's no risk of contamination from leaks.
Using food-grade/medical-grade PP and PE, these materials are free of heavy metals (e.g., lead and cadmium) and plasticizers (e.g., phthalates). These substances will not migrate to the syringe surface during heating or storage, preventing harm during use.
Good Biocompatibility: The film itself does not cause allergic reactions and does not chemically react with the syringe's material (e.g., stainless steel needles and polypropylene barrels), ensuring that the syringe's performance is unaffected by the packaging.
As the medical device industry continues to demand greater safety and stability, PP/PE flexible films are undergoing continuous upgrades (e.g., adding antimicrobial layers and enhancing barrier properties). However, the core principle remains unchanged: leveraging the material's performance advantages to create a solid, invisible defense for the syringe's safe journey. For enterprises, choosing compliant and suitable PP/PE flexible films is not only about meeting standard requirements, but also about being responsible for the health of users.
