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Carbon Cloth: Roll type

W series is a unique design for carbon cloth GDL. The 2nd generation of carbon substrate in woven type is developed to be highly suitable for the MEA process. Currently, we have two different carbon cloths in the new generation, in which they are typically varied in thickness. This series product items can all be furthermore adjusted the hydrophobicity level to ensure the best fuel cell efficiency. Please be informed that advantages of W Series include its high strength and even pore size; besides, the two proprieties can also be reinforced by MPL coating. Please find the sheet below for CeTech current products of W series. For more details or help, you are surely welcome to contact us.


Property
Unit
Methond
W0S1002
W1S1005
Thickness
μm
Using TECLOCK
SM-114
360
410
Basis Weight
g/m2
ASTM-D646
125
180
Tensile Strength
   
MD
N/cm
ASTM D-828*
>10
>10
XD
>5
>5
Flexural Modulus
MD
Mpa
ASTM D-790
-
-
XD
-
-
Air Permeability
secs
Gurley
Method**
<6
<8
Through-Plane
mΩ* cm2
ASTM C-611***
<5
<13
Type
Cloth substrate
Cloth + MPL

*Sample width: 24.4mm; Effective Specimen Length:45mm, Rate of Grip Separation:6.35 mm/min .
**Test Condition: 300cc, 0.1sq in orifice, CFY-030 .
*** 4-probe measurement, circular (50mm diam) copper-plated contacts under 200psi.

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