Description

Nafion NE 450 (1Ea=12 X 12In) is a high-performance, perfluorinated ion-exchange membrane renowned for its exceptional chemical stability and proton conductivity. This material is critical for applications requiring durable separation and ionic transport in aggressive environments. It is essential for researchers and engineers in the electrochemical, energy technology, and specialty chemical processing sectors.

Application

• Proton Exchange Membrane (PEM) for Fuel Cells: Serves as the core electrolyte membrane in hydrogen fuel cells and direct methanol fuel cells (DMFCs).
• Chlor-Alkali Electrolysis: Used as a separator membrane in the production of chlorine and caustic soda due to its resistance to strong bases and chlorine.
• Electrodialysis and Water Electrolysis: Employed as an ion-selective membrane for desalination, acid/base recovery, and green hydrogen production.
• Sensors and Analytical Devices: Acts as a selective coating or membrane in electrochemical sensors for gas detection and chemical analysis.
• Catalyst Support and Binder: Used to fabricate catalyst-coated membranes (CCMs) and as a binder in electrode assemblies for various electrochemical reactors.
• Organic Synthesis and Catalysis: Functions as a solid acid catalyst or a protective membrane in reactors for chemical synthesis involving strong acids.

Basic Information

Product Name	Nafion NE 450 (1Ea=12 X 12In)
CAS No.	200960-84-5
Molecular Formula	(C7HF13O5S·C2F4)x
Molecular Weight	Contact for details
Synonyms	Nafion N450; Nafion NE450; Perfluorosulfonic acid-PTFE copolymer; PFSA membrane; Ion-exchange membrane, perfluorinated; NR-211; Nafion® 450; 1,1,2,2-Tetrafluoro-2-(1,1,2,2-tetrafluoro-2-sulfoethoxy)ethanesulfonic acid tetrafluoroethylene copolymer
EINECS	Contact for details

Quality Control

Our Nafion NE 450 membranes are manufactured under stringent controls to ensure batch-to-batch consistency in key properties like ionic conductivity, thickness, and mechanical strength. Quality is verified against established material specifications. A comprehensive Certificate of Analysis (COA) detailing physical and electrochemical properties is available for every lot upon request.

Storage

Preserve in the original sealed packaging or a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids, organic solvents, and strong oxidizing agents. The material is hygroscopic; ensure the storage environment has low humidity to maintain optimal performance.

Specification

Item	Specification
Appearance	Transparent to translucent film
Thickness	~110 - 130 μm (Contact for exact grade)
Basis Weight	Contact for details
Ion Exchange Capacity (IEC)	0.95 - 1.05 meq/g
Proton Conductivity	> 0.10 S/cm (under standard conditions)
Tensile Strength (MD)	> 25 MPa
Elongation at Break	> 200 %
Water Uptake	Contact for details
Dimensional Stability	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.