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GPI Closures


  • Designed for application to glass bottles
  • Screw on 2 piece cap with EPE liner
  • Aluminium Shell and Plastic Insert
  • Commonly used for Spirits and low alcohol drinks
  • Various options on decoration available including standard off-set printing and embossing/debossing.
  • No tamper evident band – requires an additional seal option such as capsule or preform

Most common sizes include:

  • GPI 400/22
  • GPI 400/24
  • GPI 400/28 –popular
  • GPI 400/33 –popular
  • GPI 400/38

Understanding the terminology:

  • ‘GPI’ 400/22
  • ‘GPI’ – Refers to the ‘Glass Packaging Institute’
  • ‘400’ refers to a GPI Thread finish specification
  • ‘22’ refers to the neck diameter
Viscose are pleased to offer GPI closures, capsules and preforms to compliment your product and bottle design.

Neck finish drawings available on line at:


  • Packed in a PE bag in cardboard carton. 5 layers. Pallet Dimensions: 490x320x350

Download the GPI Closures Data Sheet Here

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