802549
Aquivion® D72-25BS
PFSA eq. wt. 720 g/mole SO3H, liquid, dispersion, 25% in water, stabilized CF3 polymer chain ends
Synonym(s):
Aquivion® SO3H-form, Tetrafluoroethylene-perfluoro(3-oxa-4-pentenesulfonic acid) copolymer, Ethanesulfonic acid
About This Item
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Quality Level
form
dispersion
liquid
eq. wt.
720±20g/mol (SO3H)
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concentration
25±1 % (w/w)
density
1.14 g/mL
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General description
Application
Features and Benefits
- Very high concentration of functional groups for strong proton (or Na+, K+, Li+, etc.) conductivity
- High softening point for high temperature operation well above 80 ºC
- Strong water retention for better fuel cell operation at low-humidity conditions for membranes or catalyst inks that are utilizing this dispersion material
Legal Information
Storage Class Code
10 - Combustible liquids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
JAN Code
802549-25ML:
802549-BULK:
802549-VAR:
802549-250ML:
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Articles
Advances in the electrochemical conversion of water to and from hydrogen and oxygen have principally been achieved through the development of new materials and by understanding the mechanisms of the degradation of proton exchange membrane fuel cells (PEMFC) during operation.
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