Carbon Cloth, Hydrophilic / Hydrophobic, Soft / Rigid, 16 x 16 cm, 0.33 / 0.35 mmAbout this item Material & Applications: constructed from premium carbon fiber material to ensure long term stability and durability, widely used in laboratory electrochemical systems such as fuel cells Size Options: product size is 16 x 16 cm, available in two thickness options: 0. 33 0. 02 mm and 0. 35 0. 02 mm, suitable for a wide range of electrochemical applications Surface Treatment Options: available in hydrophilic and hydrophobic versions;