Platinum Straight Wire

Industrial Applications

Platinum Straight Wire is used wherever stiffness, straightness, and a precise cut length are functional requirements alongside platinum’s chemical inertness and resistance-temperature linearity:

✦ Type R and Type S Thermocouple Fabrication and Repair

Used as source material for fabricating or replacing the platinum negative leg in Type R and Type S thermocouples. The hard and as-drawn tempers resist the grain growth and mechanical creep that peer-reviewed literature identifies as the primary failure modes of the pure platinum limb under sustained high-temperature service.

✦ SECM and Microelectrode Probe Fabrication

Applied in scanning electrochemical microscopy (SECM) tip fabrication and microelectrode probe construction, where the stiffness of the platinum wire element is an active design variable. Hard and as-drawn tempers provide the rigidity needed to maintain probe geometry and reproducibility across repeated measurements.

✦ Precision Electrochemical Probe Fabrication

Used in precision electrochemical probes where straightness and stiffness of the platinum element directly determine dimensional stability. The straight, cut-length format eliminates the variability introduced by straightening coiled wire prior to probe assembly.

✦ Reference Electrodes in PEM Electrolyzers

Applied as reference electrodes in PEM electrolyzer systems, where platinum’s electrochemical stability and chemical inertness under the oxidising and acidic conditions of PEM operation support reproducible potential measurements.

✦ Catalyst Evaluation

Used in catalyst evaluation systems where platinum wire serves as an electrode substrate or current collector, and where electrochemical stability ensures that the wire does not introduce artifacts into catalytic activity measurements.

✦ Resistance Thermometry

Applied in resistance thermometry where the wire’s linear resistivity-temperature relationship supports accurate, reproducible temperature measurement, and where the straight format allows precise placement of the sensing element within the thermometer assembly.