Medthin™ 41 DLC
DLC coating with improved scratch resistance
Medthin™ 41 DLC is a multilayer coating with a WCC base layer and a pure DLC (carbon) top layer. Such engineered structure confers to Medthin™ 41 DLC a high fracture toughness, improved scratch resistance, high hardness and low friction.
Technical Data |
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Material Description |
Multilayer DLC |
Applicable on the following materials¹ |
all Stainless Steels, Titanium and Aluminium Alloys |
Technologies of deposition |
PVD and PACVD |
Colour |
Black |
Thickness [µm] |
1 to 5 |
Structure |
Amorphous Diamond Like Carbon (top layer) on crystalline Cr+WCC base layers |
Oxidation Resistance |
Very high resistance to chemical oxidation as far as service temperature remains <300°C |
Cleaning and Sterilization Resistance |
Very High, all methods allowed |
Antireflection |
80% visible light absorption |
Electrical Conductivity |
Poor Conductor |
Antibacterial properties |
Not Measured |
Nanohardness [GPa] |
20 to 28 |
Young Modulus [GPa] |
180 to 240 |
Friction coefficient² |
0.1 |
Adhesion Scratch Test, LC3 [N] |
>30N |
Adhesion Rockwell or Mercedes test³ |
Class 1,2, HF1-3 |
Roughness (as coated) [nm] |
~20 |
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, Low roughness, extremely low friction coefficient and high hardness |