Closure Systems International (CSI), a global leader in closure design and innovation, announces the release of the Asepti-Lok 47 38mm closure, developed to deliver uncompromising product integrity, consumer safety, and operational efficiency for aseptically filled beverages.

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CSI's new Asepti-Lok 47 38mm closure design.

Designed specifically for PET non-returnable bottles with the 1874 finish, the Asepti-Lok 47 38mm combines a lightweight, one-piece, linerless construction with advanced sealing technology, making it an ideal solution for juices, nectars, sports drinks, and liquid dairy products.

High Performance Features

The Asepti-Lok 47 38mm closure delivers robust sealing performance and reliable product protection through its unique three-point seal design.

• Lightweight, two-lead design weighing just 2.9g
• Three-point sealing system: outside, top, and inside seals preserve product integrity
• Secure tamper-evident band ensures safety and confidence
• Meets all requirements for aseptic filling and closure application on PET bottles
• Suitable for both wet and dry sterilization methods
• “Smart venting” safety feature provides early pressure release, maximum anti-blow-off security, and safe consumer opening

Operational Efficiency

The Asepti-Lok 47 is designed for maximum line efficiency and consistent performance:

• Lube-free design enhances bottling plant efficiency and reduces maintenance requirements
• Seal technology and resin material prevent finish distortion and ensure long-term hermetic sealing
• Compatible with existing aseptic bottling lines for seamless integration
• Consistent, consumer-friendly removal torques improve reliability across production runs

Consumer Benefits

In addition to safety and performance, CSI designed the Asepti-Lok 47 for a superior consumer experience. The closure provides secure, reliable tamper evidence and features a comfortable non-slip grip for easy handling. Opening torques are consistent and consumer-friendly, while safe resealing helps maintain product freshness and quality throughout use.

“The Asepti-Lok 47 38mm closure demonstrates CSI’s commitment to delivering innovative closure solutions that meet the highest standards of aseptic beverage packaging,” said Clint Rush, Global Director at CSI. “This closure ensures superior product integrity while driving operational efficiency for our customers.”

The Asepti-Lok 47 38mm closure is commercially available to support brand owners seeking safe, efficient, and consumer-friendly packaging solutions for aseptic beverages.

About Closure Systems International

Closure Systems International Inc. (CSI) is a global leader in designing and manufacturing innovative closures and capping equipment. With a focus on performance, safety, sustainability, and customer support, CSI delivers total systems solutions that help brand owners protect their products, delight consumers, and achieve operational efficiencies.

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