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.

May 5, 2011

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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Machinery Basics

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The brand focus is on a “less is more” mentality through simplified packaging.

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Where innovation meets sustainability. Join the leading forum for packaging recycling professionals, featuring cutting-edge solutions, expert insights, and the connections you need to advance the circular economy. Secure your spot today.

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Products

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

Don't miss Packaging Recycling Summit 2026

Packaging World Annual Outlook Report 2026

Learn About 4 Different Types of Wrapping Machines for Your Product

Learn About 10 Different Types of Labeling Machines for Your Product

What is Multipacking and How Do Brands Do It?

Sealing the Deal: How Capping Machines Protect Your Product

KinderFarms Debuts Brand Overhaul to Go Back to the Basics

New Research, to be Revealed at PRS, Examines Recyclability, Purchase Intent

End of the Line Video Series: Spee-Dee's Digital Dennis Update, Progress in Industrial Compostability, and Other AI News

Interpack Wrap: Packaging Forced to be All Things to All People

Smarter Case Marking

X-ray Inspection System

Foam-in-place Packaging Solution

AI Vision Development Platform

May/June 2026

March/April 2026

Jan/Feb 2026

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Case packing and palletizing built for how you grow

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