3M has updated its Structural Adhesive Duo-Pak delivery systems to enhance performance and reliability. These improvements address common issues like cartridge leaks and cross-contamination, ensuring consistent adhesive application. The new systems feature double lip seals, isolated outlets, and modified cartridge volumes. The changes also include updates to manual plungers and pneumatic applicators to accommodate the new cartridge sizes. These enhancements contribute to improved efficiency and reduced waste in industrial adhesive applications.