38-400 Smooth Black Continuous Thread Cap PP (F217 Liner)
Black, smooth, continuous thread cap with 38-400 neck finish and F217 liner. Commonly used for food items, lotion, soaps, creams, and personal care items. Continuous thread caps are popular in a wide range of wholesale industries from food, personal care, pet care, household products, industrial products, health and beauty, arts, crafts, hobbies and just about any other market segment. This polypropylene (PP) cap has a high tolerance for heat and is very durable.
F-217 liners are made of three layers, a thin foam core is placed between two layers of LDPE film. While F-217 liners are commonly referred to as foam liners, they tend to perform better than a regular foam liner. F-217 and foam liners do not create airtight seals. Liners are an important aspect of every continuous thread cap and products should best tested with the cap to determine which liner will be the best fit.