Gold and Silver Marker Bands and Ring ElectrodesJohnson Matthey is the world leading producer of radiopaque marker bands for the medical industry. Marker bands and ring electrodes are cut from precious metal and other specialty metals. Cut bands are fabricated according to customer specifications in a variety of diameters and we have many sizes in stock for your immediate needs. Platinum, Gold, and Palladium marker bands are standard products for many medical device components where radiopacity is required.

We have the industries largest stock of cut tubing, ring electrodes, and marker bands - and our inventory has recently been increased to offer 500 different products in an unprecedented range of alloys and sizes - all in stock and available for immediate shipment.


Johnson Matthey is excited to announce the launch of a new online store to provide you with quick turnaround on platinum-iridium radiopaque marker bands. Visit the webstore for:

  • A range of dimensional options
  • Quantities from 25 – 1000 bands
  • Shipment within 2 business days


   Also check our Platinum, Gold and Pt/Ir Cut Tube Stock List. Samples will be subject to a MOQ lot charge.

Seamless tubing for radiopaque marker bands and other applications conforms to stringent dimensional tolerances and quality standards.

  • All melts are analyzed using Spark Ablation ICP to measure alloy and impurity concentrations.
  • Cutting processes include Electrical Discharge Machining (EDM), CNC Screw Machining, Precision Laser Cutting, Tube Cutting and other processes.
  • Certificate of Analysis (COA) and Certificate of Conformance (COC) accompany each shipment.
  • Marker band shipments include statistical process analysis documentation.
  • Stocking programs available to provide fast response to any demand

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