ePTFE Membrane Support Backing Guide

POREX Virtek™ PTFE Protection Vents used in sealed devices allow pressure equalization and ventilization due to temperature changes and minimizes condensation while keeping dust, dirt, and liquid moisture out. POREX Virtek™ sintered PTFE membrane is UL 94 V-0 and UL 746C listed, tested to meet all IP ratings, and can meet NEMA or other test standards.

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