"oleophobic membrane"

EPTFE Aroma Barrier Degassing Valve For Ground / Whole Bean Coffee Packaging

EPTFE Aroma-Barrier Degassing Valve For Ground & Whole Bean Coffee Packaging Product Overview The ePTFE aroma-barrier degassing valve for ground and whole bean coffee packaging is an advanced one-way pressure relief component that preserves the precious volatile aroma compounds of freshly roasted coffee while reliably venting the carbon dioxide gas that could otherwise burst the sealed bag. This valve combines a precision ePTFE waterproof breathable membrane with a flexible