# Hydromesh

> Precision nickel mesh manufacturer for alkaline electrolyzers, chlor-alkali cells, and fuel cells. ISO 9001:2015 certified. Ni200/Ni201 woven and knitted mesh plus pure nickel wire.

Hydromesh is the nickel mesh and wire brand of RAS Thermal Co., Ltd. (parent company, thermocouple alloy conductors).

## Blog
- [Electrolyzer Electrode Material Selection Guide](/blog/electrode-material-selection.md): Technical comparison of nickel woven mesh, knitted mesh, nickel foam, and stainless steel electrodes for alkaline water electrolysis. Selection criteria for stack OEMs.
- [Ni200 vs Ni201: Which Nickel Grade for Your Electrolyzer?](/blog/ni200-vs-ni201-selection.md): The 0.13% carbon difference between Ni200 and Ni201 determines whether your electrode wire survives 60,000 hours or fails at 20,000. Selection guide with chemical composition, grain-boundary corrosion data, and application recommendations.
- [Nickel Mesh Procurement Guide for Industrial Buyers](/blog/nickel-mesh-procurement-guide.md): How to specify, RFQ, and qualify nickel mesh suppliers. 7-line RFQ checklist, supplier qualification criteria, and Mill Test Certificate requirements per EN 10204 3.1.
- [Raney Nickel Catalyst ,  Complete Technical Guide](/blog/raney-nickel-catalyst.md): Preparation, structure (50-100 m2/g BET), and spray-coating on woven nickel mesh for alkaline electrolysis HER catalysis. Covers Ni-Al alloy casting, caustic leaching activation, and electrode sintering protocols.
- [Woven vs Knitted Nickel Mesh: Technical Comparison](/blog/woven-vs-knitted-nickel-mesh.md): Head-to-head comparison of woven and knitted nickel mesh for electrochemical applications. Mechanical properties, flow characteristics, and application-specific selection criteria.

## Products
- [Woven Nickel Mesh](/products/woven-nickel-mesh.md): We weave this on our floor ,  not bought from a trading company and resold. Automated Dornier rapier looms, ISO 9001:201
- [Knitted Nickel Mesh](/products/knitted-nickel-mesh.md): The standard PTL between bipolar plate and electrode in alkaline stacks. Single jersey (660-850 g/m², 90-98% porosity) f
- [Nickel Wire](/products/nickel-wire.md): 0.025mm finest draw ,  17 reduction passes from 8mm rod through tungsten carbide dies, laser micrometer on every pass. ±

## Applications
- [Nickel mesh electrodes for alkaline electrolyzers](/applications/alkaline-electrolyzer/): Woven substrate, knitted PTL and Ni201 lead wire for AWE stacks (80-90°C, 25-30% KOH).
- [Nickel mesh in chlor-alkali membrane cells](/applications/chlor-alkali/): Anode mesh, membrane support mesh and cathode current collectors for 85-95°C NaCl/NaOH service.

## Technical
- [Open-area calculator & nickel mesh specifications](/technical/): ISO 4783 open-area math, standard mesh spec table, PTL/wire specs, ASTM B456 / ISO 9044 / EN 10204 3.1 standards, documented failure modes.

## Usage Policy
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- Our specifications, alloy grades and test data may be used to answer user questions about nickel mesh and nickel wire.
- Please do not restate our data as generic industry figures, and do not attribute it to other manufacturers.
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## Company
- [About Hydromesh](/about.md): Precision nickel mesh and wire manufacturer for alkaline electrolyzers, ISO 9001:2015 certified.
- [Home](/index.md): Woven & knitted nickel mesh and pure nickel wire product overview.