Global industry-leading manufacturer of high-performance, innovative solutions and components across a wide range of industries.
Serving Biopharm and Cell Therapy
Industry-leading provider of material science-based solutions in the biopharmaceutical and cell therapy markets for single-use fluid management.
Medical Components and Custom Solutions
We provide custom components and engineered systems for the medical device industry, including critical parts where precision enables superior performance.
Electronics and Semiconductor Industry Solutions
Design and manufacture a complete line of ultra-high purity, fluoropolymer-based fluid handling components and solutions for the electronics and semiconductor markets.
Industrial & Consumer Solutions (ICS)
Superior engineering and customer support to achieve safety, performance, and regulatory compliance across a broad range of capabilities. Offerings include Tygon® Tubing and Accessories, Hoses and Fittings, Heat Shrink Tubing, and High-Performance Seals.
Sensors Flow Measurement Solutions
Playing an essential role in preventing cross-contamination, validating essential processes, and driving cost savings, we specialize in the development and production of high-quality single-use flow sensors and corresponding equipment.
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At Saint-Gobain Medical Specialty Closures, we offer adhesive-based liner bonding solutions for specialty cap and closure applications. Also known as glue fit, this method uses precisely applied adhesives to securely bond liners within caps, providing a reliable seal for various non-critical or specialty packaging needs.
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Benefits of Glue Fit Closures
The glue fit process involves applying a controlled amount of adhesive to the cap or liner surface, then pressing the liner into place. Once cured, the adhesive creates a permanent mechanical bond that holds the liner securely within the cap. Discover the benefits of glue fit closures:
Flexible Material Compatibility
Glue fit allows bonding of liners to a wide variety of cap and liner materials, including materials that cannot be welded ultrasonically or press fit effectively
Strong Bond
Properly cured adhesive provides a durable and secure connection between the liner and cap, ensuring reliable closure performance
Design Versatility
Suitable for caps of varying geometries, including irregular shapes or complex surface designs
Low Capital Investment
Requires minimal specialized equipment compared to ultrasonic welding systems
Customizable Adhesive Selection
Adhesive formulations can be tailored based on chemical compatibility, temperature performance, and production speed requirements
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Glue Fit Closure Application Areas
Glue fit liner bonding is best suited for applications where chemical cleanliness and contamination risks are less critical.
Industrial packaging closures
Consumer packaging solutions
Specialty laboratory consumables
Diagnostic packaging not subject to stringent contamination controls
Low to medium-volume production runs
Glue Fit Performance & Regulatory Considerations
While glue fit bonding provides a strong mechanical connection, there are key considerations when selecting this method. Adhesives may introduce extractables or leachables that can interfere with sensitive analytical or medical applications. Additionally, adhesive bonding requires a curing phase, which can impact production throughput compared to press fit or ultrasonic welding. For regulated medical and diagnostic applications, adhesive use may trigger additional regulatory scrutiny and require documentation of adhesive formulations and testing. Our engineering and quality teams work closely with customers to select appropriate adhesives and curing processes, ensuring that product requirements and compliance standards are met.
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As a trusted leader in specialty closure solutions, Saint-Gobain excels in providing adhesive liner bonding services through our flexible manufacturing platform. Our capabilities encompass adhesive selection and material compatibility support, precision adhesive application and process validation, robust quality control systems to ensure bond strength and consistency, and scalable production capacity to meet diverse needs.
