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ASTM D5846 Copper & Steel Catalyst Coil

ASTM D5846 Copper & Steel Catalyst Coil

Copper and steel catalyst coil used in ASTM D5846 (Universal Oxidation Test for Hydraulic and Turbine Oils Using the Universal Oxidation Test Apparatus). These coils are also called 'copper and iron' catalyst coils.


Coils are made from low-metalloid 1008 steel wire, No. 16 Washburn & Moen Gage (1.59mm diamter) and electrolytic copper wire, No. 14 AWG (1.63mm diameter), 99.9% purity.  The steel (iron) and copper wires are tightly twisted at one end and then wound simultaneously on a threaded mandrel, with the two wires parallel. The overall length of the finished coil is 80mm +/- 8mm. The inner diameter is 15.9-16.5mm.  


Catalyst coils are individually packaged in glass tubes with nitrogen atmosphere with desiccant to prevent oxidation during storage. Coils are ready to use straight from the package in the laboratory.

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