Moreover, rigid PVC sheets, from which these films are cut, are prized for their consistent flatness and uniform gauge control, which are critical to the blister packaging process. These sheets are engineered to withstand the thermoforming process where they are molded into precise cavities that hold the individual pills or capsules. Rigid PVC's ability to maintain its form under heat is essential for producing blister packages that are not only protective but also user-friendly.

The selection of PVC for pharmaceutical packaging is a testament to its reliable properties and suitability for the industry. The film's resistance to puncture and tearing ensures that the medications remain encapsulated until they reach the patient, thereby safeguarding the product in transit and handling.

Furthermore, the ease at which rigid PVC film bonds with other materials like aluminum foils for sealing further solidifies its role as a go-to material for blister packs. This compatibility is crucial for creating an airtight seal that preserves the pharmaceutical products and ensures tamper evidence – an essential factor in patient safety.

While the environmental considerations of PVC are complex, the industry is evolving to adopt better recycling practices and innovative approaches to decrease the ecological impact. Rigid PVC remains a mainstay in the sector due to its unmatched performance characteristics, which are unmatched by other materials in meeting the prerequisites for pharmaceutical packaging.

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