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How Pressure-Sensitive Cap Liners Work
Jan 15,2026
Pressure-sensitive cap liners use an adhesive layer that bonds to a compatible bottle rim under pressure from the tightened cap. They do not require an induction sealing machine.
Liner performance depends on the bottle material, clean and dry rim, cap fit, application torque, contents and storage conditions. Test the complete package before production, especially for liquid or oily products.
Pressure-sensitive liners are generally intended as an initial seal. Do not assume the liner can be removed and reused repeatedly or that it provides an airtight seal in every application.
For product selection or samples, please provide the bottle material, cap and bottle dimensions, contents and intended use. Confirm any food-contact documentation for the specific liner and application.
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