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DB9602 is a fluorine-modified organic silica gel specially used for fuel cell gas circuit sealing. It meets the various environmental requirements of fuel cells. It is suitable for the injection molding of graphite bipolar plates, metal bipolar plates, and MEA. It is cured in the mold to form a sealing strip, which has excellent physical and electrical properties, compression set, and excellent sealing performance.
Typical use： It is suitable for fuel cells, PEM electrolyzers, graphite bipolar plates, metal plate bipolar plates, and membrane electrodes to form a seal by injection
Material properties before curing
I | Typical |
Chemical type | Fluorine modified silicone |
Appearance | Light white and transparent |
Proportion@25℃ ASTM D1875 g/cm3 | 1.02-1.12 |
Viscosity@25℃ ASTM D2196 mpa.s | 32000-48000 |
Storage period@25℃ Month | 12 |
Physical properties after curing
Item | Typical |
Tensile Strength，GB-T-2567-2008 MPa | ≥7.3 |
Hardness A ASTM D2240 | 38-43 |
Break elongation % | ≥360 |
Permanent compression deformation % CB/T 7759.1-2015/ISO 815-1:2008 | 7 |
Operating temperature ℃ | -60～200 |
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