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ALPHASEAL®

Our ALPHASEAL® compounds are used as sealants on plastic caps and metal crowns for carbonation retention and improved shelf life. The ALPHASEAL® range consists of PVC and TPE liner compounds for carbonated soft drinks, hot fill, milk and retort applications.


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The PVC and TPE compounds are designed for pry off and twist off liners in metal crowns for Beer. To create the extensive range of ALPHASEAL® compounds, a wide selection of additives is utilized. These are added in highly intensive microprocessor controlled mixing operations which ensures excellent dispersion.

There are a number of features which ALPHASEAL® grades exhibit and which provide a benefit to the processor or end customer:

  • Easy to process on Oberburg, Sacmi and HC processing machines.
  • Taste and odour neutral
  • No degradation during normal processing
  • Pelletized compound is ready to use without predrying
  • Easy to colour with universal or PE based masterbatch 
  • Made from FDA sanctioned materials.
  • Carbonation retention
  • Improved shelf life
  • Opening torques (All ages and sticky products)
  • No scalping of flavours