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The PTFE in GoreTex is expanded (ePTFE) and while it chemically does not bind to oil, oil can mechanically clog the pores. For decades GoreTex has had a layer o
by snowwrestler 4y ago
The PTFE in GoreTex is expanded (ePTFE) and while it chemically does not bind to oil, oil can mechanically clog the pores. For decades GoreTex has had a layer of polyurethane on top of the ePTFE to prevent this.