Description
Overview
30-A4GE and 30-A6P are thick carbon paper gas diffusion layer (GDL) materials designed for PEM fuel cells, water electrolyzers and related hydrogen energy systems. Belonging to the same thick carbon paper family, these grades provide higher thickness, increased basis weight and improved structural support for applications requiring stronger mechanical stability and reliable gas transport performance. Within this series, 30-A4GE offers lower electrical resistance, while 30-A6P provides a heavier and thicker structure for applications that require additional rigidity and handling strength.
Key Features
- Thick carbon paper GDL for PEM fuel cells and water electrolyzers
- Available in two grades: 30-A4GE and 30-A6P
- Typical thickness range of 285–320 µm
- Higher basis weight and stronger bending stiffness compared with thinner carbon paper grades
- Reliable conductive performance for stack integration and component matching
- Suitable for laboratory testing, pilot-scale evaluation and industrial hydrogen applications
Technical Specifications
| Property | 30-A4GE | 30-A6P | Unit |
|---|---|---|---|
| Product Type | Thick carbon paper GDL | Thick carbon paper GDL | — |
| Areal Weight | 105 ± 15 | 120 ± 15 | g/m² |
| Thickness | 285 ± 25 | 320 ± 25 | µm |
| Compressed Thickness (at 1.0 MPa) | 240 ± 20 | 260 ± 20 | µm |
| Contact Angle (MPL) | > 135 | — | ° |
| Bending Stiffness (MD) | > 3 | ≥ 5 | mN·m |
| Electrical Resistance | < 12 | ≤ 15 | mΩ·cm² |
| TP Air Permeability (at 1.0 MPa) | — | 3 ± 2 | cm²/cm²·s |
| IP Air Permeability (at 1.0 MPa) | — | ≤ 100 | mbar |
Applications
- PEM fuel cells
- Water electrolyzers
- Hydrogen energy systems
- Gas diffusion layer and stack component integration
- Research, pilot testing and industrial evaluation
Commercial Note
Prices shown on this page are indicative reference prices and may vary depending on quantity, 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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