DuroGlide^® is a new generation of hydrogen-free Diamond-Like Carbon (DLC) coating developed for use with compression and oil ring designs of piston rings. It offers the highest durability of any piston ring coating type. DuroGlide^® Piston Ring Pack reduces CO₂ emissions up to 1.5% in light vehicle and heavy-duty engines.

• High performance DuroGlide^® piston rings set new benchmarks for ring performance, delivering lowest friction, best wear, and excellent scuffing behavior
• DuroGlide^® Piston Ring pack reduces CO₂ emissions up to 1.5% in light vehicle and heavy-duty engines
• Highest durability of any piston ring coating type
• Amorphous high-hardness carbon-based coating improves lubricity
• Hardness: up to 5000 HV 0.2
• Highest temp. stability: up to 500°C
• Outstanding coating thickness for DLC up to 25 µm
• Application on compression and oil ring designs