Description
Overview
GORE® M788.12 is a thin, ePTFE-reinforced proton exchange membrane developed for PEM fuel cell applications requiring a strong balance of mechanical durability, low gas permeance and cost efficiency. With a nominal thickness of 12 μm and a reinforced membrane structure, it is designed to provide reliable performance, dimensional stability and long service life across a wide range of fuel cell operating conditions.
Key Features
- Thin 12 μm reinforced proton exchange membrane
- Balanced proton conductivity and mechanical durability
- ePTFE-reinforced composite structure
- Low hydrogen crossover for improved fuel cell efficiency
- High tensile strength and dimensional stability
- Suitable for demanding PEM fuel cell applications
Technical Specifications
| Property | M788.12 | Unit |
|---|---|---|
| Membrane Type | ePTFE-reinforced proton exchange membrane | — |
| Membrane Color | Clear | — |
| Nominal Thickness | 12 | μm |
| Proton Resistance at 80 °C, 30% RH | < 120 | mΩ·cm² |
| Hydrogen Crossover at 80 °C, 50% RH | 30 | mA/cm²/MPa |
| Tensile Strength — Machine Direction | 71 | MPa |
| Tensile Strength — Transverse Direction | 76 | MPa |
| Swelling Ratio — Area Change | < 5 | % |
| Membrane Orientation | No designated cathode side | — |
Applications
- PEM fuel cells
- Automotive fuel cell systems
- Backup power fuel cell systems
- Portable fuel cell power systems
- Membrane electrode assembly fabrication
- Fuel cell research and industrial development
Commercial Note
Prices shown on this page are indicative reference prices and may vary depending on quantity, roll dimensions, packaging format and market conditions. Listed prices exclude VAT, shipping and any custom cutting or packaging services. Bulk orders, sample rolls and customized supply requirements are available upon request. Please contact us for a detailed quotation, availability and technical support.













