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Air conditioning vane compressors

Solution Coating material Coating technology Coating hardness HIT [GPa] Coefficient of friction (dry) vs. steel Max. service temp. [°C] Process temperature [°C]
CrN Arc 18+/-3 ~0.5 700 -
a-C:H PACVD ~15-25 0.1 - 0.2 300 < 250
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