Description
Overview
AvCarb® GDS3250 is a gas diffusion layer (GDL) based on AvCarb EP40 carbon paper, featuring PTFE treatment and an optimized micro-porous layer design. It is developed to deliver reliable performance under both wet and dry cell conditions, with high power output at high current density, proven durability, physical property uniformity and a high-volume manufacturing process. GDS3250 is widely used in fuel cell applications where stable conductivity, controlled thickness and dependable structural performance are required.
Key Features
- Carbon paper gas diffusion layer based on AvCarb EP40
- PTFE treatment with optimized micro-porous layer design
- Good performance under both wet and dry cell conditions
- High power capability at high current density
- Proven durability and physical property uniformity
- Manufactured through a high-volume production process
Technical Specifications
| Property | GDS3250 | Unit |
|---|---|---|
| Product Type | Gas Diffusion Layer | — |
| Model | AvCarb® GDS3250 | — |
| Base Material | AvCarb EP40 | — |
| Nominal Thickness @ 5.0 N/cm² | 225 | µm |
| Nominal Thickness @ 1 MPa | 175 | µm |
| Nominal Basis Weight | 75 | g/m² |
| Break Strength @ Machine Direction | 2900 | N/m |
| Stiffness @ Machine Direction | 10.0 | Taber units |
| Stiffness @ Cross Machine Direction | 8.0 | Taber units |
| Bulk Density @ 0.69 N/cm³ | 0.33 | g/cm³ |
| TP Electrical Resistivity @ 1 MPa | 11 | mΩ·cm² |
Applications
- PEM fuel cells
- Gas diffusion layer integration in MEA assemblies
- Hydrogen energy systems
- Fuel cell stack development and testing
- Laboratory, pilot-scale and industrial fuel cell applications
Commercial Note
Prices shown on this page are indicative reference prices and may vary depending on quantity, sheet size, packaging format and market conditions. Listed prices exclude VAT, shipping and any custom cutting or packaging services. Bulk orders, customized dimensions and distributor cooperation are available upon request. Please contact us for detailed quotations and technical support.


















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