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GDL240 | 240um Carbon Paper


Main features
  • 0.24mm - 240um - 9.5mil
  • Alternative to 1050
  • Gas difussion layer and electrode

Product Description

GDL240 is a carbon paper with a Microporous layer and with PTFE. It is commonly used as a gas diffusion layer and electrode for fuel cells. Its through plane resistance is less than 15 mΩcm2. The thickness is 0.24mm and is measured at 50 kpa.

GDL240 is a close alternative to the discontinued Spectracarb 1050.

Product Family
GDL240  
40 x 40 cm

Catalog Product

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Technical Specifications

General Properties
Basis Weight
Basis Weight
Basis weight refers to the weight measured in pounds off 500 sheets of paper in that paper’s basic sheet size.
90 g/m2
Total Thickness
Total Thickness
Total thickness is taking into account all the films, coatings, adhesives, release liners and special layers and is the maximum thickness of a film or tape.
240 μm
Chemical Properties
Air Permeability
Air Permeability
The air permeability of a fabric is a measure of how well it allows the passage of air through it.
85 cm3/s/cm2
Mechanical Properties
Tensile Strength (Thin Film)
Tensile Strength (Thin Film)
Tensile strength determines the resistance of a material to break under tension and it measures how much elongating load (or tensile stress) it can handle before fracture.

To make it simple, it measures how much force we have to apply when pulling apart a material before it breaks.
30 N/cm