Medthin™ 48 ta-C

Medthin™ 48 tetragonal carbon

Medthin 48 ta-C, a suitable coating for «fine» bone cutting applicable in small drills or general bone cutting tools.

Technical Data


Material Description

Tetragonal Carbon (ta-C)

Applicable on the following materials¹

all Stainless Steels, Titanium and Aluminium Alloys

Technologies of deposition




Thickness [µm]

0.5 to 2


Tetragonal Carbon (ta-C) deposited on metallic underlayer such as Cr

Oxidation Resistance

Excellent resistance to chemical oxidation as far as utilization temperature remains <300°C

Cleaning and Sterilization Resistance

Very High, all methods allowed


80% visible light absorption

Electrical Conductivity

Poor Conductor

Antibacterial properties

Not Measured

Nanohardness [GPa]

40 to 60

Young Modulus [GPa]

180 to 240

Friction coefficient²


Adhesion Scratch Test, LC3 [N]


Adhesion Rockwell or Mercedes test³

Class 1,2, HF1-3

Roughness (as coated) [nm]


Corrosion resistance – Neutral Salt Spray

Max 30min (thin coating)

Biocompatibility data for instruments

Passed ISO 10993-5, ISO 10993-10, ISO 10993-11


Delivered per request

MAF at FDA in the USA


Most popular applications

Extremely hard coating, with very low friction coefficient and hydrogen free DLC, particularly interesting for bone cutting typically deposited in very thin layer

¹for any other material please contact ionbond
²against 100Cr6 steel ball
³Method either by ISO 26443 or VDI 3198

The values given are approximations and may vary depending on the application, environmental factors and test protocols.