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BALIMED C Long operational performance - even with dry-running applications

Dental screws
Minimally Invasive Surgical (MIS) instruments
Bone saws

Drive components such as gears and bearings in medical devices like dental tools are exposed to high mechanical stress daily. The low friction coefficient and good sliding properties of BALIMED C makes it ideal for low lubrication and even dry running applications – at low temperatures. BALIMED C is a WC/C-based coating, and thus a mixture of metal and diamond-like carbon. The result is the ideal way to reduce surface fatigue and tribo-oxidation.

  • Suitable for dry running applications
  • Minimum adhesive wear
  • Low friction coefficient
  • Good sliding properties at low temperatures
Coating material a-C:H:W (WC/C)
Coating technology Sputter
Coating colour Grey
Coating hardness HIT [GPa]* 8-12 / 12-15
Coefficient of friction (dry) vs. steel** 0.1 - 0.2
Max. service temp. [°C]**** 300
Process temperature [°C] < 250
General remark All given data are approximate values, they depend on application, environment and test condition.
*Coating hardness HIT [GPa] Measured by nano indentation according to ISO 14577. For multilayers the hardness of the different layers varies. Hardness can be adapted to the application.
**Coefficient of friction (dry) vs. steel Determined by ball-on-disc test in dry condition with an Steel ball according to ASTM G99. During run-in the given values may be exceeded.
****Max. service temp. [°C] These are approximate values out of the field. Due to thermodynamic laws there is a dependency of pressure in application.

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