Gamma Radiation

Zeus has a long and successful history in Medical markets around the world from the simplest laparoscopic instruments to the most complex multi-channel catheters. When GAMMA sterilization was developed, Zeus was one of the first fluoropolymer extruders to offer information on this increasingly popular sterilization method.

FEP, PFA, ETFE, PEEK™, PE, KYNAR® and Polyimide are some of the resins extruded by Zeus. Each of these resins has the ability to withstand varying degrees of Gamma Radiation. PTFE, however, is not recommended for use in applications which require GAMMA sterilization. For details of the resin with which you are working, please contact your Technical Account Manager or view our Sterilization Methods for more information. Below you will find a brief explanation of how Gamma sterilization works.

Gamma Radiation Sterilization

Gamma Radiation has been discovered to be an effective low-temperature sterilizing method. It is cost effective for both large and small companies. It is a penetrating form of radiation. Gamma processing is a highly reliable procedure. No area of the product being sterilized is left with uncertain sterility. Even high-density products, such as pre-filled containers, can be readily processed and used with confidence. Today, many of the common polymers used in medical devices and packaging are naturally radiation stable.

Gamma rays are emitted from radioactive materials such as Cobalt 60 and Cesium 137. The product being sterilized is placed near the radiation source until the required dose is absorbed. This low-temperature process can sterilize a package at under 100° F (38° C). Products exposed to these gamma rays acquire no radioactivity. This allows the product to be used immediately after sterilization. Gamma Rays penetrate both thick and thin objects, as well as dense materials. The high penetration allows materials to be sterilized in bulk.

Need More Information?

Contact us now to evaluate samples of our extruded tubing or request a quote. To locate regional distributors, contact a technical account manager at 1.800.526.3842 or 1.803.268.9500.

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