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Sigracet 39 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 315 um (microns). SGL 39 BB is a great low-cost alternative to conventional woven carbon cloth Gas Diffusion Layer (GDL) materials.
Sigracet 39 BB replaces the previous model Sigracet 39 BC.
Properties | |
Thickness (um) | 315 microns |
Basic Weight (g/m²) | 95 |
Fiber Type | Carbon Paper |
PTFE Treated | 5% |
Micro Porous Layer (MPL) | Yes |
Gas Permeability (Gurley sec) | 1.5 |