N324 N424 N438 Proton/Cation Exchange Membrane, PTFE Fabric-Reinforced (N438, 10 cm x 10 cm)

Description

• Three thickness options: 0.28 mm (N324), 0.38 mm (N424), and improved N438 for uniform expansion
• <0.5% edge leakage guarantee
• Chemical-resistant design withstands concentrated alkaline and acidic solutions (pH 014)
• Simple alkaline water pretreatment required; ready for installation in chlor-alkali cells
• PTFE fabric-reinforced PFSA membranes with 50% higher tensile strength than standard CEMs

Product Description: Material Construction Multilayer PTFE fiber-reinforced perfluorosulfonic acid matrix with H+ form delivery. Technical Specifications Thickness series: N324 (0.28 mm) / N424 (0.38 mm) / N438 (0.38 mm, reinforced) Standard sizes: 5 x 5 cm, 10 x 10 cm, 15 x 15 cm, 20 x 20 cm, 30 x 30 cm Reinforcement: Woven PTFE monofilament mesh (N438 uses a next-generation weave pattern) Performance Benefits 30% less edge leakage compared with previous-generation membranes Stable operation in 3050% NaOH solutions at 8090 C <5% dimensional change during wet/dry cycling Industrial Applications Maintenance of chlor-alkali electrolysis cells Electrochemical synthesis reactors Electrodialysis stacks for acid recovery Brine electrolysis systems Installation Protocol Pretreat in a 5% NaOH solution at 60 C for 2 hours. Rinse with deionized water until a neutral pH is reached. Assemble using PTFE gaskets and torque-controlled fasteners. Maintain 5060 C during the first 24 hours of operation.

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