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Medical silicone rubber cable application and properties requirement difference from common cable

Author: Allen Shieh
by Allen Shieh
Posted: May 02, 2021

medical cable manufacturer and an engineer,we have helped medical industry partners to develop more than 1000 types of cables.Among all the cables we made, Medical Silicone cable ranks 2nd. (TPU cable rank 1st),it is very significant to make an comprehensive introduction to Silicone cable.

What Is The Key Properties And Advantages Of Silicone Cable? Resistant To High Temperature

Extruded with a suitable compound, silicone cable can work at an operating temperature up to 300 °C for while (Even 350 with suitable conductors like nickel). And maintain its good mechanical performance within 250 °C for long time using.

Resistant To Low Temperature

Silicone cable’s working low temperature range is -60°C.

And remains good electrical and mechanical performance, softness and flexibility if the temperature is no lower than -40 °C. (Silicone’s indurating temperature of around -115°C). So it does not mean if temperature lower than -40, it does not work. Many factors influence its operation, such as, exposing time, atmosphere situation (like oxygen concentration, ozone), and mechanical stress, tension and so on.

What Are Disadvantage Of Silicone Rubber Cable And Caution When Using

Silicone cables can be seriously damaged by ethers, strong alkalis, liquid fuel, esters, chlorinated hydrocarbons and ketones.

Silicone cable jacket inflate when touched with naphthenic oils.

Silicone cable will be out of service when contacting aromatic base oils at high temperatures (higher than 130-140 °C)

Silicone able has poor abrasion resistance. The silicone wire jacket / sheath is cold extruded after vulcanizing the silicone rubber. The density is not as good as Heat extruded jacket of other materials. It is easy to scrape by sharp objects. So it is better to be applied in static situations and keep away from sharp objects or movement on rough surface.

Surface is it easy to sticky to dust.

Biological Properties Resistant To Fungus

Silicone itself is not anti-fungicidal, it is neither a food for fungus, so even when there is suitable damp and temperature, fungus or mold will affect the silicone jacket of the cable. And we can formulate the silicone rubber to improve the silicon wires, fungus resistance properties.

Super Biocompatibility

Benefit by the super biocompatibility of silicone rubbers, silicone cable has good compatibility with human tissue and body fluids and an extremely low tissue response when implanted, not to mention a skin contact.

Odorless, tasteless and biological stability, silicones is not a nutrition for bacteria growth and will not stain or pollute others around.

Silicone Cable ApplicationsApplications In Medical

No matter it is Class 1, Class 2, or Class 3 medical devices or accessories, Silicone cable application can be found everywhere. Sterilization and Biocompatibility are prior concerns.As mentioned in silicone cable properties, it is clear that silicone cable is absolutely an ideal choice for medical applications. Such as monitoring system sensor, robotic arms, imaging system, Spo2 sensor, ECG/EKG,High-End ESU(Electrosurgical Unit)

Applications In Aerospace

Aerospace applications such as spacecraft – Satellites, which has high requirement for "Radiation Resistant, Flexibility, Low Outgassing", silicone cable can deal with these situation.

Applications In Undersea And Naval

Naval and undersea (Tow, Tether, Sonar Video, ROV, Lighting, Umbilical, Geophysical) activities usually need the cable to be Flame Retardant, Low Smoke, Low Halogen, there are many considerations such as Buoyancy, Atmospheric Pressure, Ruggedness

About the Author

Technical Article writter,Medical cable egineer serving conectmed for 18 years,which is a medical cable manufacturer ;

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Author: Allen Shieh

Allen Shieh

Member since: Apr 29, 2021
Published articles: 1

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