Hydrophilic Carbon Felt, Pre-Oxidized, 10 x 10 cm, 2.8 / 4.7 mmAbout this item Material & Applications: made from high purity carbon fiber, offering excellent electrical conductivity and long term stability, suitable for laboratory flow batteries and related electrochemical applications Size Options: product size is 10 x 10 cm, available in two thickness options: 2. 8 mm and 4. 7 mm (at 1. 7 kPa), designed to balance structural integrity and assembly adaptability Compression Performance: under 43 kPa compression,