Medthin™ 20 AlTiN

AITiN coating with great chemical barrier function

Medthin 20 AlTiN is widely used for the coating of medical instruments due to its anti-glare properties, superior adhesion high scratch resistance properties and its excellent chemical barrier function. The low light reflection properties help reducing surgeons’ eye fatigue during surgeries.

Technical Data


Material Description

Aluminium Titanium Nitride

Applicable on the following materials¹

all Stainless Steels, Titanium and Aluminium Alloys

Technologies of deposition




Thickness [µm]

2 to 6


Cubic mix with Hexagonal, nanocrystalline

Oxidation Resistance

Very High

Cleaning and Sterilization Resistance

Good, all methods allowed


Excellent 70% of visible light absorbed

Electrical Conductivity

Poor conductor

Antibacterial properties

Not measured

Nanohardness [GPa]

28 to 36

Young Modulus [GPa]

300 to 400

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

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

Color coding of instruments, Anti-reflection

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.