Black Sealing Strip is a premium-grade, butyl rubber-based sealant tape specifically formulated for vacuum bagging composite laminates. This black, tacky, non-hardening strip creates a reliable airtight seal between vacuum bag film and tool surfaces, ensuring vacuum integrity throughout the entire cure cycle. It remains flexible and conformable at elevated temperatures, then removes cleanly without residue after demolding. Designed for autoclave, oven, and room temperature vacuum bagging processes.





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