Ningbo Vet Energy Technology Co., Ltd.

Product DescriptionD520 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 polym...

Sensors & Transmitters Ningbo Vet Energy Technology Co., Ltd. 30 Dec 2025 ( )

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Product Description

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

Technical Specifications

Item	Specifications	Remarks
Update Date	Ningbo Vet Energy Technology Co., Ltd.	2025
Lead time	within 30 days	Can be expedited
Material	See product manual	Request Inspection Report
Application	Applicable to multiple industries	Complies with standards
Keywords	Chemicals,Other Chemicals