Technical articles & company insights — ring materials, processes and energy trends.
A piston-ring set is usually made up of two compression rings and one oil ring. This article explains how piston rings are composed and their four key
Facing EU environmental limits on traditional plating, C.T.I. breaks through with a near-diamond Diamond-Like Carbon (DLC) coating — high hardness, lo
Surface treatment determines a piston ring’s wear resistance, sealing and corrosion protection. This article covers phosphating, sandblasting, chrome
A piston ring’s cross-sectional shape determines its sealing, oil-scraping and heat-dissipation behaviour. This article explains rectangular, taper-fa
The choice of piston-ring material directly affects engine performance and lifespan. This article compares the three common materials: steel (304H), c
