28BC - SGL CARBONSigracet 28 BC is a premium non woven carbon fiber paper that incorporates a Microporous Layer (MPL) and a 5 wt% PTFE hydrophobic treatment. With a total thickness of approximately 235 m, it offers a balanced combination of mechanical strength, electrical conductivity, and superior water management for Proton Exchange Membrane Fuel Cells (PEMFCs). The PTFE treatment ensures excellent water repellent characteristics, preventing flooding within the