Versatile Sealing Compounds for Food and Beverage Closures

ALPHASEAL® by Alphagary is a specialized line of sealing compounds designed for beverage liners and seals. These materials are formulated to balance seal performance, flexibility, and application-specific regulatory considerations. Built on decades of expertise in EVA, TPE, and PVC compounding, ALPHASEAL® materials are suitable for various processing methods, including molding and extrusion, making them ideal for a wide range of applications and operating conditions.

Why ALPHASEAL®

Why ALPHASEAL®

The ALPHASEAL®  portfolio provides multiple formulation options so manufacturers can select the best compound based on sealing performance, processing efficiency, and application-specific regulatory considerations. They are available in various hardness levels (50A to 95A) and polymer types (EVA, TPE, PVC) to meet specific application requirements across different beverages and closure designs. Alphagary's commitment to quality and regulatory compliance helps ensure the best Alphaseal material is selected to meet relevant food contact standards.

 

Characteristics and Properties

ALPHASEAL® compounds are engineered to deliver consistent performance in sealing applications. Key characteristics and properties include:​

  • Excellent Sealing Performance: Provides reliable sealing material that help prevent leakage and contamination.
  • Flexibility: Offers a range of hardness levels to accommodate different sealing requirements.
  • Food Contact Compliance: Formulated to meet relevant food contact regulations.
  • Processability: Suitable for various processing methods, including molding and extrusion.
  • Customization: Available in various formulations to meet specific application needs and performance criteria.

Markets and Applications

Food and Beverage Packaging

Food and Beverage Packaging

ALPHASEAL® compounds are widely used in the beverage industry for their reliable sealing properties and support for food contact regulatory considerations. They help maintain product integrity throughout the packaging lifecycle across a range of beverages, closure types, and processing conditions. Typical applications include:

  • Liners and seals for closures (including cap liners)
  • Closure liners (liners used in caps)
  • Sealing gaskets​
  • Closure seals
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