Sigracet Gas Diffusion Layer Carbon Paper, 3 sheets

CNB-1-SC19

Sigracet Gas Diffusion Layer Carbon Paper, 3 sheets

$228.00
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Size

Description

The newly improved Sigracet carbon fiber paper series gas diffusion layers are intended to combine the required production robustness and the excellent performance properties in which stack developers and assemblers are benefiting from:

• Greatly improved homogeneity inter-lot and intra-lot.  The overall variability has been shown to be better than +/- 10% (2 sigma)
• Greatly improved surface flatness
• Greatly reduced occurrence of faulty spots on a roll
• Best performance under various operating conditions

 

    Technical Data (Typical Properties)

    Basic Film Properties

    Unit of Measure

    22BB

    28BC

    29BC

    36BB

    39BB

    Thickness

    mm

    0.215± 0.020

    0.235± 0.025

    0.235± 0.025

    0.280± 0.020

    0.315± 0.020

    Areal Weight

    g/m²

    70±15

    105±10

    90±10

    105±15

    95±15

    Electrical Resistivity

    mΩ·cm²

    < 10 

     < 11 

    < 12

    < 12 

    < 13

    Thermal Conductivity

    W(m-1)(K-1)

    0.30

    0.38

    -

    0.43

    0.20

    Bending Stiffness (MD/TD)

    N mm

    1.5/0.9 

    1.7/1.2

    -

    3.6/3.2

    3.5/2.9

    Gas Permeability

    Gurley sec

    1.2

    4.5

    -

    3.0

    1.5

    Compressibility

    1.0Mpa

    20%

    11%

    19%

    14% 

    27 %

    Water Contact Angle 

    MPL

    > 130°

    > 130°

    -

    > 130°

    > 130°

    Roughness
    (MPL side)

    µm

    7.2

    6.4

    -

    5.8

    7.0

    Impurities
    (Fe, Co, Ni)

    ppm

    < 10

    < 10

    -

    < 10

    < 10

    Tensile Strength
    (MD/TD)

    MPa

    6.9/4.6 

    6.6/5.1

    -

    8.5/8.1

    7.7/4.9

    Substrate PTFE Treatment

    5%

    5%

    5%

    5%

    5%

    Microporous Layer

    Yes, on one side

    Yes, on one side

    Yes, on one side

    Yes, on one side

    Yes, on one side


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