Titanium Rod for Electrochemical Industry Electrodes

Electrochemical processes use electricity to drive chemical reactions. Chlor-alkali plants. Electroplating. Water treatment. Cathodic protection. The electrodes sit in aggressive electrolytes. Acid. Base. Salt solutions.

Titanium rod for electrochemical industry electrodes is the substrate. The base metal. Not the coating. The rod holds the electrode. Conducts current. Resists the electrolyte.

Titanium doesn't corrode. Doesn't dissolve. Doesn't contaminate the process. That's why it's used.

Copper conducts electricity well. But copper dissolves in many electrolytes. Contaminates the product.

Steel is cheap. But steel rusts. Rust flakes off. Ruins the bath.

Stainless steel works sometimes. But stainless pits in chlorides.

Titanium has an oxide layer. It's stable. Doesn't dissolve. Doesn't corrode. Current passes through it. The electrolyte doesn't attack it.

For titanium rod for electrochemical industry electrodes, the rod is the backbone of the electrode.

Grade 2 covers most electrode applications. Chlor-alkali. Electroplating. Cathodic protection.

Grade 7 for aggressive hot acids. More expensive. Use only when needed.

Grade 12 for hot seawater or brine systems.

For titanium rod for electrochemical industry electrodes, Grade 2 is the standard choice.

Resistivity compared

Titanium is not a great conductor. But for electrodes, the coating carries the current. Titanium just holds the shape.

• Chlor-alkali cell. Produces chlorine and caustic soda. Titanium anodes. Coated with mixed metal oxide. The rod supports the coating. 16mm to 25mm diameter. Grade 2 or Grade 7.

• Electroplating anodes. For plating copper, nickel, chrome. Titanium rod holds the coating. Doesn't dissolve in the plating bath. 10mm to 20mm. Grade 2.

• Cathodic protection anodes. For pipelines, tanks, offshore structures. Titanium rod connects to the power supply. Holds the mixed metal oxide coating. 6mm to 16mm. Grade 2.

• Water treatment. Electrocatalytic oxidation. Titanium electrodes. 20mm to 40mm. Grade 2.

For titanium rod for electrochemical industry electrodes, the rod is machined. Threaded. Coated. Then installed in the cell.

The titanium rod alone doesn't do the electrochemistry. It's the substrate.

A coating is applied on top. Mixed metal oxide (MMO). Platinum. Iridium. Ruthenium. The coating catalyzes the reaction. The titanium just holds it.

That's why titanium works. The oxide layer protects the titanium. The coating stays attached. No corrosion between.

For titanium rod for electrochemical industry electrodes, the rod must be clean. No oil. No scale. Coating won't stick to dirty metal.

We supply rod ready for coating. Turned or ground. Clean. No contamination.

Standard Grade 2 works in most electrolytes. But some conditions are tougher.

Hot hydrochloric acid. Wet chlorine gas. Hot concentrated chlorides.

Grade 7 has palladium. 0.12% to 0.25%. That small addition dramatically improves corrosion resistance in reducing acids.

For titanium rod for electrochemical industry electrodes in chlor-alkali cells with high current density, Grade 7 lasts longer.

Electrode rods need electrical connection. Copper wire or bus bar attached to the titanium.

Titanium and copper are different metals. In an electrolyte, they create a galvanic couple.

Solution: Seal the connection. Use a titanium sleeve. Coat the joint. Keep electrolyte away.

For titanium rod for electrochemical industry electrodes, we can machine connection features. Threaded ends. Drilled holes. Tapered fits.

Electrode rods need holes. Threads. Flat ends. Tapers.

Grade 2 machines easily. Like soft stainless. No problem.

We supply rod cut to your length. Turned to tolerance. Drilled if you need.

For titanium rod for electrochemical industry electrodes, the rod comes ready for your coating line.

Coating requires a clean surface. No oxide. No oil. No embedded particles.

Methods:

• Grit blasting. Creates anchor profile. Coating sticks better.

• Acid etching. Removes natural oxide. Fresh surface.

• Pickling. Chemical cleaning.

We supply rod with your specified surface prep. Grit blasted. Pickled. Ready for coating.

For large electrodes, current must distribute evenly. Too much current in one spot burns the coating.

Titanium rod helps. Its moderate resistivity acts like a current limiter. Spreads the current along the electrode.

For titanium rod for electrochemical industry electrodes, the rod's electrical properties are part of the design.

Electrode manufacturers need material certs. Mill test reports. Heat number traceable. ASTM B348 cert.

EN 10204 3.1 standard. 3.2 available.

Electrochemical electrodes need a substrate. Strong. Conductive. Corrosion resistant.

Titanium rod for electrochemical industry electrodes does the job.

Grade 2 for most electrolytes. Grade 7 for aggressive hot acids. Grade 12 for hot brine.

Clean. Straight. Ready for coating.

For chlor-alkali cells. For electroplating. For cathodic protection. For water treatment.

The backbone of the electrode.