CSI Launches Asepti-Lok 47 Closure Solution for Aseptic Beverage Packaging

Closure Systems International (CSI) introduces the Asepti-Lok 47 38mm closure, designed for aseptically filled beverage packaging. It offers improved sealing performance, material efficiency, and operational efficiency, making it ideal for beverages like juices, dairy products, and sports drinks.

Author: Yogesh Kulkarni Published Date: 16 October 2025
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CSI Expands Packaging Portfolio with Asepti-Lok 47 Closure Solution

CSI Launches Asepti-Lok 47 Closure Solution for Aseptic Beverage Packaging

Closure Systems International (CSI) launched the Asepti-Lok 47 38mm closure, engineered to improve the efficiency and safety of the aseptically filled beverage packaging. The aseptic-lok 47 is specially designed for PET non-returnable bottles with the 1874 finish. This perfection makes it relevant for numerous beverages involving nectars, liquid dairy products, sports drinks, and juices. It is a one-piece, lightweight linerless design that incorporates advanced sealing technology to confirm product integrity.

The new solution encompasses other packaging challenges for the aseptic beverages. For the advanced beverage packaging, this is the key advancement to incorporate within the respective brands' manufacturing lines. This solution’s commercialization expansion will lead to improvement in the aseptically filled beverages sector. Currently, the brand owners who require this packaging solution have access to Asepti-Lok.

Impressive Features of Asepti-Lok 47 38mm closure

The sealing performance is enhanced by its robust closure features, which include a three-point seal design with top, inside, and outside seals. The seal's targets on maintaining product quality and avoiding leakage. The weight of Asepti-Lok 47 is 2.9g, which promotes material efficiency in the production process. Also, operational efficiency is elevated as CSI promises that the lube-free design can enhance bottling line performance and alleviate maintenance needs.

The closure is suitable for dry and wet sterilization methods. The methods identify the required elements for the aseptic filling process. The consumer handling game becomes strong with this solution. As the designs involve a tamper-proof band that provides a sense of security and safety for consumers, it confirms that the product still holds the same quality. The closure is designed for seamless handling, with daily operating torques that are said to enhance the user experience.

The global director at CSI, Clint Rush, said,

“The Asepti-Lok 47 38mm closure elaborates CSI’s dedication to serve innovative closure solutions that match the superior standards of aseptic beverage packaging. This closure promises great product integrity while fueling operational efficiency for our consumers.”

With these robust features, the CSI will soon gain global traction through the use and involvement of advanced sealing technology. The concerns of beverage packaging companies regarding leakage and other challenges have evolved with the demand for tightly sealed products without compromising quality. This solution has the potential to positively impact the food and beverage packaging market and pave the way for innovation. 

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