Sigracet 22 BB is a non-woven carbon paper with a Microporous Layer (MPL) that has been PTFE treated to 5%. It has a total thickness of 215 um (microns). SGL 22 BB is a great low-cost alternative to conventional woven carbon cloth Gas Diffusion Layer (GDL) materials.
Sigracet 22 BB replaces the previous model Sigracet 29 BC.
|Thickness (um)||215 microns|
|Basic Weight (g/m²)||70|
|Fiber Type||Carbon Paper|
|Micro Porous Layer (MPL)||Yes|
|Gas Permeability (Gurley sec)||1.2|