Medthin™ 33 CrCN
CrCN coating for all types of surgical instruments
Medthin™ 33 CrCN, is a unique coating that combines the excellent adhesion and fracture toughness of CrN with the low light reflection properties of AlTiN and makes it an ideal coating for all kinds of surgical instruments.
Technical data |
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Material Description |
Chromium Carbon Nitride |
Applicable on the following materials¹ |
all Stainless Steels, Titanium and Aluminium Alloys |
Technologies of deposition |
PVD |
Colour |
drak-grey |
Thickness [µm] |
1 to 4 |
Structure |
Double phase, Cubic CrN and Amorphous C |
Oxidation Resistance |
High |
Cleaning and Sterilization Resistance |
High, all methods allowed |
Antireflection |
High, 80% visible light absorption |
Electrical Conductivity |
Conductive |
Antibacterial properties |
20% CFU reduction - tested ISO 22196 |
Nanohardness [GPa] |
12 to 16 |
Young Modulus [GPa] |
180 to 250 |
Friction coefficient² |
0.2 to 0.6 |
Adhesion Scratch Test, LC3 [N] |
>30N |
Adhesion Rockwell or Mercedes test³ |
Class 1,2, HF1-3 |
Roughness (as coated) [nm] |
~100 |
Corrosion resistance – Neutral Salt Spray |
Max 2 hours |
Biocompatibility data for instruments |
Passed ISO 10993-5, ISO 10993-10, ISO 10993-11 |
MSDS |
Delivered per request |
MAF at FDA in the USA |
- |
Most popular applications |
High fracture toughness, Antireflection, low friction coefficient on light loads-ideal for instruments |