38mm 38-400 White Ribbed (Matte Top) Plastic Cap w/F217 & Pressure Sensitive Liner (Printed)

The 68WP38 is a 38mm white industry standard cap with F217 and pressure sensitive liners. This closure is made of polypropylene and fits our 38-400 bottles and jars. Industry standard caps feature a textured top and ribbed sides. The ribbed-sided design allows for ease of use when removing lid. Pressure sensitive liners create an actual seal which provides an extra level of protection. They are best for dry products and can at times, work with thick liquids such as creams and sauces. Generally, these liners are not recommended for liquids and oils.
Pressure Sensitive Liner
Structurally similar to a foam liner, pressure sensitive liners have adhesive on one side, designed to stick on to the rim of a container. When a container is closed and pressure is applied to the cap (and in turn, the liner), the adhesive becomes activated, which creates a seal. Pressure sensitive liners provide an extra level of protection in that it actually creates a seal that sticks to the rim of the bottle. Pressure seals are not considered a form of tamper evident seal. They do not work well with liquids, especially oils. They can, at times, work with thick liquids such as creams and sauces.