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Wing-Lok 28mm Plastic Closures
Wing-Lok 28mm Plastic Closure
Wing-Lok 28mm Plastic Closure
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Wing-Lok 28mm

Closure Systems International’s Wing-Lok 28mm plastic closure continues to be a popular choice, especially for carbonated beverages. Its’ patented wing tamper evidence system provides reliable, consistent performance.

This closure's sealing characteristics make it suitable for returnable and non-returnable applications on PET or glass bottles. Consumers will appreciate the easy opening and reclosing benefits of Wing-Lok's sure grip design.

High Performance Features & Benefits

  • Patented wing design ensures visual and tactile confirmation when the tamper evidence band breaks
    • Consumer security and peace of mind knowing that package safety has not been compromised
  • Built-in venting slots for safe pressure venting on opening
  • Proven top and side sealing system provides optimum carbonation retention and preserves product freshness
  • Different liner sealing profiles to suit the customer’s specific needs are available to ensure optimum sealing
    • Suitable for PET and glass packaging
    • Suitable for non-returnable and returnable bottles
    • Suitable for cold-fill or hot-fill applications
  • Quick and easy to open with consistent removal torques
  • Excellent re-sealability
  • Designed for “Pick and Place” and “Direct Pick-Up” application
  • Easy to recycle-environmentally friendly

Designed to Drive Sales

  • Extensive range of shell colors to attract customers
  • Precise multi-color top printing for clear communication
  • Designed for Under-The-Cap promotions (printed or embossed liner)
  • Rapid turnaround time for promotional campaigns

Total Closure & Capping Systems Solutions

  • In addition to quality closures, CSI provides capping equipment and unparalleled customer and technical service, globally.
  • CSI's closure systems solutions help customers maximize profits by increasing the marketability of their brands and optimizing their total cost of operations.
Purchase Requests or Questions?

Product Detail

Primary Market Segments Served

Beer/Malt Beverages, Bottled Water, Non Carbonated Soft Drinks, Wine, Food

Application/Fill Processes

Cold/Ambient-Fill, Carbonated, Hot-Fill

Material Types


Closure Diameters


Bottle Finishes

1810, 1815, 1816, 1817, 1820, 1716, 1823, MCA-1, MCA-2, MCA-3, 7.5 R, 7.5 RF, 1655

Bottle/Package Types

Plastic Non-Returnable Bottles, Plastic Returnable Bottles, Glass Non-Returnable Bottles, Glass Returnable Bottles

Knurl Options

60, 120

Seal Types

Two-Piece Lined

Tamper Evidence

Tamper Evident Band - Standard

Brand Names


Purchase Requests or Questions?

Research & Development: Innovation Capabilities

At CSI, R&D is a crucial component of innovation and a key factor in developing new competitive advantages. CSI follows a disciplined New Product Development process, utilizes a creative space for ideation known as Studio C and provides differentiated technology platforms known as Studio C Creations.

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Product Stewardship Responsible and Efficient Operations Partner to promote sustainable progress Design & Raw Materials Distribution Use Disposal / Recovery Operations