kpSilver®
High-Impact Aesthetics. Optimized Processing.

kpSilver® delivers the premium metallic appearance of foil without incorporating a solid metal layer into the structure. Designed for pharmaceutical blister applications, it combines strong moisture barrier performance with consistent thermoformability and printability. The result is a silver-look film that enhances shelf presence while running efficiently on standard blister packaging lines. 

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kpSilver® Benefits

kpSilver® was developed as a high-impact alternative to aluminum cold form foil (CFF) for pharmaceutical blister packaging. It delivers the premium silver appearance associated with CFF while offering dependable barrier performance and efficient processing on standard blister lines. The result is a balanced solution that enhances shelf presence without the complexity of full aluminum structures.

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Premium Metallic Shelf Presence

kpSilver® delivers a distinctive silver appearance that elevates brand perception and enhances on-shelf visibility — without incorporating a solid metalized layer into the structure.

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Reliable Moisture Barrier Performance

Engineered for pharmaceutical blister applications, kpSilver® provides dependable moisture protection to help maintain drug stability and extend shelf life.

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Optimized Thermoformability

Designed to run efficiently on standard blister packaging lines, kpSilver® offers consistent forming behavior and production reliability.

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Balanced Cost & Performance Alternative

By eliminating the metal layer while maintaining visual impact and barrier performance, kpSilver® offers an attractive alternative to traditional foil laminates.

Barrier Performance You Can Trust

Moisture protection plays a critical role in maintaining the stability, potency, and shelf life of pharmaceutical products. Even small amounts of water vapor transmission can impact sensitive formulations over time. Selecting the appropriate moisture vapor transmission rate (MVTR) is essential to ensure product integrity throughout distribution, storage, and patient use. kpSilver® structures are engineered to provide a range of moisture barrier options, allowing manufacturers to match performance to specific drug requirements.

Maintain Standard Blister Line Speeds

Unlike aluminum cold form foil (CFF), which often requires reduced line speeds due to its forming characteristics, kpSilver® structures are designed to run at standard polymer processing speeds. This enables manufacturers to maintain higher output, improve overall equipment efficiency, and avoid the productivity trade-offs typically associated with cold form materials. By combining metallic shelf appeal with polymer-line performance, kpSilver® supports both packaging efficiency and operational flexibility.

  • Maintain Higher Throughput - Run at standard polymer thermoforming speeds without the cycle-time reductions often required with aluminum cold form foil.
  • Improve Overall Equipment Efficiency (OEE) - Avoid slow forming cycles and support more consistent production output across shifts and batches.
  • Utilize Existing Blister Line Capabilities - Designed to process on standard polymer tooling and equipment without the operational constraints associated with CFF.
  • Reduce Production Bottlenecks - Faster forming behavior supports smoother downstream operations and improved packaging line flow.

Pentapharm® kpSilver®

By combining silver aesthetics, reliable barrier performance, and standard polymer processing speeds, kpSilver® provides a practical alternative to aluminum cold form foil — balancing protection, productivity, and packaging efficiency in one solution.

As part of the broader Pentapharm® pharmaceutical film portfolio, it complements a full range of clear, coated, and high-barrier structures designed to meet diverse drug stability requirements. Explore the complete Pentapharm® line to identify the optimal solution for your specific packaging application.

Customized Expert Assistance is Available

Matching the exact right film for your particular application can be a daunting task.  Perhaps you have questions about:

  • Barrier properties
  • Chemical migration
  • Forming solutions
  • Stability questions
  • Regulatory concerns

kp provides a unique service from our world renowned i.center where we can quickly guide you through to a workable solution.  Help is only a click away!