18/410 White Smooth Straight PP Cap / F217 Liner

Even on the same neck finish, liner thickness and thread engagement can materially change seal performance. Appropriate markets can include cosmetics, personal care, wellness, supplements, household, and specialty products. The development value of Part 137620, the 18/410 White Smooth Straight PP Cap / F217 Liner, lies in how its stated attributes guide component pairing and positioning. Use filled-package trials to qualify fit, liner compression, leakage, and repeated opening performance.