Nafion | The Chemours Company

NafionPolymer Dispersions

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Nafion™ polymer dispersions contain the polymer in its chemically stabilized liquid form for easier processing.

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Typical uses include:

  • Fabrication of thin films and coating formulations for fuel cell membranes
  • Catalyst coatings
  • Sensors
  • Various electrochemical applications

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