28-400 Black Ribbed Caps w/ PS-22 Pressure Seal Liner
The 28-400 Black Ribbed Polypropylene (PP) Caps are designed for impact strength and features ribbing so they are easy to open with slippery fingers. This cap comes with a PS-22 Pressure Seal Foam Liner. The PS-22, Pressure Seal Liner is a foam liner that has an adhesive side designed to stick on the opening of the container. A seal is accomplished with the normal closing of the container, without any special type of equipment. When the cap is removed from the container the film seal remains on the opening offering both protection and security for the product inside. This liner is designed for dry powder products.
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