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W. L. Gore & Associates, Inc : Cap liner constructed of ePTFE

Gore’s 3FL Cap Liner, a full-faced foam liner for use in containers used to package consumer and agricultural products, is engineered to provide liquid tight package and container integrity while also helping companies meet sustainable packaging goals.

Pw 2290 Webgore
Constructed of a gas permeable expanded polytetrafluoroethylene (ePTFE) membrane that prevents liquid penetration while equalizing pressure inside of a container. Using a 3FL cap liner reduces the weight of containers to help save on recycling costs.
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