Protect sensitive pharmaceuticals with high-barrier structures engineered for performance, supply security, and reliable processing.

In pharmaceutical packaging, protecting product integrity from moisture, oxygen, and aroma exposure is critical. At kp we offer a broad portfolio of high-barrier blister films engineered to safeguard sensitive drug products throughout their shelf life. From PVdC-coated structures to laminated films incorporating PCTFE, these solutions deliver reliable barrier performance while meeting the stringent requirements of pharmaceutical manufacturing and regulatory compliance.

alfoil® is a high-performance portfolio of PVdC-coated blister films delivering mid-to-high barrier protection against moisture, oxygen, and aroma. Offered across a broad range of coat weights and structures, alfoil® films provide a flexible, cost-effective option for packaging hygroscopic and oxygen-sensitive pharmaceutical products. When combined with kp’s proprietary coating technology, alfoil® films offer enhanced slip performance to support higher line speeds, improved yields, and more efficient blister packaging operations.

alfoil® HBC films are high-barrier coated structures engineered for ultra-sensitive pharmaceutical products requiring maximum protection from moisture, oxygen, and aroma. Utilizing high-crystallinity PVdC, alfoil® HBC delivers complete barrier performance with superior cost-to-barrier efficiency compared to competitor laminates. Symmetrical constructions, enhanced crack-resistance, and built-in slip performance support stable forming, improved line efficiency, and clear, lay-flat blisters with excellent optical clarity.

PCTFE laminated films provide best-in-class moisture barrier performance for pharmaceutical products with the highest sensitivity to environmental exposure. These transparent, non-aging structures deliver long-term protection against moisture ingress while maintaining excellent clarity for visual inspection. PCTFE films are compatible with standard blister forming and sealing equipment and are widely used when maximum shelf-life stability is required.

Alar® is a registered trademark of Honeywell Int'l

Moisture vapor transmission rate (MVTR) is a critical performance metric in blister packaging, particularly for moisture-sensitive pharmaceutical products. Measured under accelerated temperature and humidity conditions, MVTR indicates how effectively a packaging structure limits moisture ingress over time. Lower MVTR values correspond to higher moisture barrier performance and are often a key factor in material selection for products requiring extended shelf life and stability.

Oxygen transmission rate (OTR) measures the amount of oxygen permeating through a packaging material under defined test conditions. For pharmaceuticals sensitive to oxidation, controlling oxygen exposure is essential to preserving product potency and efficacy. Lower OTR values indicate stronger oxygen barrier performance and help inform material selection where oxidative degradation is a concern.

Selecting the optimal blister film requires balancing barrier performance, stability requirements, forming behavior, and regulatory considerations. When trade-offs between moisture and oxygen protection aren’t straightforward, our i.center experts can help evaluate material options and guide selection based on your specific formulation, packaging process, and lifecycle needs.

Through application engineering, material testing, and packaging expertise, i.center supports informed decision-making to help reduce development time, minimize risk, and move projects forward with confidence.

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