Nafion Membrane

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Other Names	PFSA membrane, Proton exchange membrane, Nafion
Form	Other, Solid membrane
Molecular Formula	C7HF13O5S A* C2F4
Shape	Other, Sheet / flat film
Poisonous	Yes
HS Code	39209999
Storage	Other, Store in cool, dry place, away from direct sunlight
Taste	Other , Odorless / Tasteless
Solubility	Insoluble in water and hydrocarbons; swells in alcohols and some polar solvents
Ph Level	Acidic (strong acid functionality)
Smell	Other, Odorless
Purity	>99%
Boiling point	Not applicable / Does not boil
Density	2.0 Gram per cubic centimeter(g/cm3)
Molecular Weight	Varies (depends on equivalent weight and thickness)
Structural Formula	-[CF2-CF2]n-[CF2-CF(OCF2CF(CF3)O)CF2SO3H]m-
Melting Point	>250AdegC
Refractive Rate	1.35aEUR"1.38
Classification	Other, Ion exchange membrane
Chemical Name	Perfluoro-sulfonic acid membrane (Nafion)
CAS No	31175-20-9
Grade	Other, Industrial
Standard	ASTM D751-06, D882, D6988
Type	Polymeric membrane
Usage	Proton exchange membrane (PEM) applications
Main Material	Perfluorosulfonic acid (PFSA) polymer
Application	Other, Fuel cells, electrolyzers, sensors, flow batteries, ion-exchange processes
Main Domestic Market	All India