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Help Center1.2mm Thick Nickel Expanded Mesh for PEM Electrolyzer, 4x8mm Mesh, 99.99% Nickel Content
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As a leading manufacturer of expanded metal meshes since 1998, Anping County Boli Hardware Wiremesh Products Factory is proud to offer our high-purity 1.2mm thick nickel expanded mesh specifically engineered for PEM (Proton Exchange Membrane) electrolyzers. With a precise 4x8mm diamond mesh opening and a guaranteed 99.99% nickel content, this product delivers exceptional electrical conductivity, corrosion resistance, and mechanical stability required in harsh electrolysis environments. Our mesh is produced using advanced expander machines that ensure uniform strand width and consistent opening geometry, critical for efficient gas diffusion and current distribution in electrolyzer cells.
This nickel expanded mesh serves as a reliable anode or cathode substrate, current collector, or flow field component in PEM electrolyzers. The combination of 1.2mm base thickness and 4x8mm mesh size provides an optimal balance between structural integrity and open area, promoting efficient mass transfer while minimizing electrical resistance. Backed by our factory's 26 years of wire mesh manufacturing experience and annual export value exceeding US$5 million, we deliver consistent quality to global customers in North America, Europe, Asia, and beyond.
Key Features & Technical Specifications
- High Purity Nickel: 99.99% Ni content minimizes contamination and ensures long-term electrochemical stability.
- Precision Mesh Geometry: Diamond-shaped openings with 4mm long way (LWD) and 8mm short way (SWD) – exact dimensions verified by optical measurement.
- Uniform Thickness: 1.2mm ±0.05mm base material thickness, with expanded strands approximately 0.6–0.8mm wide.
- Excellent Conductivity: Nickel's electrical resistivity of ~6.9×10⁻⁸ Ω·m ensures low ohmic losses in the cell stack.
- Corrosion Resistance: Naturally resistant to alkaline and acidic media used in PEM electrolysis (pH 1–4).
- Mechanical Strength: Expanded diamond structure provides rigidity without adding excessive weight, ideal for stacking.
- Customizable Dimensions: Available in sheets or rolls; width up to 1500mm, length as requested.
- Surface Finish: Plain (as expanded) – no coating required; optional clean annealed surface on request.
Standard Parameters (Typical)
| Parameter | Value |
| Base Material Thickness | 1.2 mm (0.047 in) |
| Mesh Opening (LWD x SWD) | 4 mm x 8 mm |
| Strand Width (approx.) | 0.6 – 0.8 mm |
| Open Area (%) | ~55 – 65% |
| Nickel Purity | ≥99.99% |
| Sheet Size (standard) | 1 m x 2 m (customizable) |
| Packaging | Wooden pallets, coils, or cartons |
Benefits for PEM Electrolyzer Applications
- Enhanced Gas Diffusion: The 4x8mm opening size allows efficient transport of hydrogen and oxygen bubbles, reducing mass transport overpotential.
- Low Contact Resistance: Smooth strand surfaces and consistent diamond geometry ensure uniform current distribution across the cell area.
- Durability in Acidic Environment: 99.99% nickel resists pitting and corrosion from the acidic membrane environment (pH
- Thermal Stability: Operates effectively in temperatures up to 100°C typical for PEM electrolysis.
- Easy Integration: Can be cut, stamped, or welded to fit specific cell designs without losing structural integrity.
- Cost Efficiency: Expanded metal provides a large effective surface area with minimal material usage compared to woven meshes or perforated sheets.
Trust & Experience
Anping County Boli Hardware Wiremesh Products Factory has been a dedicated manufacturer of wire mesh products since 1998. With an annual export value of US$5-10 million, we supply to diverse markets including North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our production facility in Hengshui, Hebei, China, is equipped with modern expanding machines, precision cutting tools, and quality control instruments to ensure every batch meets the strictest specifications. We ship from major ports such as Tianjin, Qingdao, Shanghai, and Foshan, providing flexible logistics solutions. Our team has extensive experience in supplying nickel expanded mesh for PEM electrolyzer projects, and we are ready to support your R&D or mass production requirements with reliable quality and competitive pricing. Contact us today for samples, technical datasheets, or customized solutions.
Frequently Asked Questions (FAQ)
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Q: What is the tolerance on the 1.2mm thickness?
A: Our standard thickness tolerance is ±0.05mm. For tighter tolerances (±0.03mm), we can provide upon request with additional processing. -
Q: Can this mesh be used directly in a PEM electrolyzer stack without further treatment?
A: Yes, the as-expanded plain nickel mesh is ready for use. However, for some applications, a surface cleaning or annealing step may be recommended to remove any residual oxides; we offer optional clean annealed surface. -
Q: What is the open area percentage of 4x8mm mesh?
A: Typically 55-65%, depending on the exact strand width. The open area is optimized for good gas diffusion while maintaining mechanical strength. -
Q: Do you provide samples for testing?
A: Yes, we offer free samples (buyer pays shipping) for qualified customers. Contact us with your requirements. -
Q: What are the available sheet sizes or roll lengths?
A: Standard sheet size is 1m x 2m. We can also supply in coils up to 30m length or custom widths. Please inquire for specific dimensions. -
Q: How do you ensure the 99.99% nickel purity?
A: Our raw nickel material is sourced from certified suppliers and we perform random chemical analysis using OES (Optical Emission Spectroscopy) on each production batch. A certificate of analysis is available upon request. -
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ for standard sizes is 100 sheets or 50 kg. For customized dimensions, MOQ may vary. We also accept small trial orders for evaluation. -
Q: Can this mesh be used for alkaline electrolyzers as well?
A: While primarily designed for PEM, the high-purity nickel mesh is also suitable for alkaline electrolyzers due to its corrosion resistance in KOH solutions. However, the mesh geometry may need to be adjusted for optimal performance in alkaline conditions.
We are confident that our 1.2mm thick nickel expanded mesh will meet the demanding requirements of your PEM electrolyzer application. With over 25 years of manufacturing expertise, rigorous quality control, and a global logistics network, Anping Boli is your reliable partner for advanced mesh solutions. Request a quote or technical consultation today.
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