LINQCELL GDP340-MP | 340 um Carbon Paper

Harmonization Code : 6815.11.00.00 |   Articles of stone or of other mineral substances, not elsewhere specified or included; Non-electrical articles of graphite or other carbon; Carbon fibres and articles of carbon fibres
Main features
  • 0.34 mm - 340 um - 13.4 mil
  • Enhanced hydrophobicity from MPL/PTFE and Available in Roll Form
  • Optimized as gas diffusion layers in fuel cells

Product Description

LINQCELL GDP340-MP is a 340-µm thick graphitized carbon fiber paper made from high-quality polyacrylonitrile (PAN) fibers. The fibers undergo a wet-laying process to form a non-woven, fibrous, and porous structure, which is then carbonized and graphitized. This high-temperature graphitization (1600 °C) results in high electrical conductivity, high oxidation resistance, and excellent thermal stability, making LINQCELL GDP340-MP highly recommended as gas diffusion layers in fuel cells. It can also be used as gas diffusion substrates for carbon dioxide electrolyzers. 

LINQCELL GDP340-MP has a microporous layer and PTFE coating, which provide hydrophobicity and increased surface area. The higher surface area maximizes catalyst utilization, which increases fuel cell efficiency. Meanwhile, the hydrophobic properties improve water removal and ensure stable operation by preventing flooding within the stack. 

Key Features:

  • 340-µm Thickness: Optimized for reduced stack volume and internal resistance.
  • High-Temperature Graphitization (1600 °C): Provides excellent electrical conductivity, oxidation resistance, and thermal stability.
  • Microporous Layer & PTFE Coating: Enhances hydrophobicity, increases surface area, and optimizes catalyst utilization.
  • Improved Water Management: Hydrophobic properties prevent flooding and ensure stable operation by enhancing water removal.

Highly Recommended As:

LINQCELL GDP340-MP is available in both sheet and roll forms. LINQCELL Graphitized Carbon Fiber Papers with MPL and PTFE treatment are offered in a standard width of 40 cm. Contact us for custom sizes or other specific requirements.

Product Family
GDP340-MP  
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.
125 g/m2
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.
45/36 (MD/XD) N/cm
Electrical Properties
TP Resistance
TP Resistance
Opposition to the flow of electric current.
10 mΩcm2
Other Properties
Air Permeability 200 seconds