Precious Metals - Marker Bands, Ring Electrodes

Johnson 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. Platinum and Tantalum 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 up to 500 different products in an unprecedented range of alloys and sizes - for immediate shipment.

For rapid prototyping, free samples or other immediate needs, check our
Platinum, Gold and Iridium Cut Tube Stock List (inches) (mm)

Metric Format - mm

Imperial Format - inches

Applications		Typical Metals
Radiopaque marking		Platinum
Electrophysiology sensing electrodes		Platinum/10% Iridium
Cardiac pacing & defibrillator		Gold
PTCA		Tantalum
Angioplasty
Stents

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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