D520 D1020 D2020 Nafion PFSA Polymer Dispersion are made from chemically stabilized perfluorosulfonic acid/PTFE copolymer in the acid (H+) form, and are available in several polymer content and dispersant compositions.
Typical uses include:
· Fabrication of thin films and coating formulations for fuel cell membranes
· Catalyst coatings
· Sensors
· Various electrochemical applications
Features and Benefits:
See the table to learn more about the compositions, properties, and applications for Nafion polymer dispersions.
Grade | D520CS | D521CS | D2020CS | D2021CS |
Polymer Content (wt%) | 5.0-5.4 | 5.0-5.4 | 20.0-22.0 | 20.0-22.0 |
Water Content (wt%) | 45 +/- 3 | 45 +/- 3 | 34 +/- 2 | 34 +/- 2 |
VOC Content (wt%) | 50 +/- 3 | 50 +/- 3 | 46 +/- 2 | 46 +/- 2 |
1 - Propanol | 48 +/- 3 | 48 +/- 3 | 44 +/- 2 | 44 +/- 2 |
Specific Gravity | 0.92-0.94 | 0.92-0.94 | 1.01-1.03 | 1.01-1.03 |
Available Acid Capacity (meq/g) H+ polymer base | >1.00 | >0.92 | >1.00 | >0.92 |
Total Acid Capacity (meq/g) H+ polymer base | 1.03-1.12 | 0.95-1.03 | 1.03-1.12 | 0.95-1.03 |
Viscosity (cP) at 25 °C (77 °F) | 10-40 | 10-40 | 50-500 | 50-500 |
