24/400 Aluminum Cap with PE Foam Liner

The format can serve cosmetics, personal care, wellness, supplements, household, and specialty products. Product developers comparing packaging closure options can use Part 128940, the 24/400 Aluminum Cap with PE Foam Liner, as a focused candidate for qualification. Even on the same neck finish, liner thickness and thread engagement can materially change seal performance. Use filled-package trials to qualify fit, liner compression, leakage, and repeated opening performance.