PETRONAS Silub 70 LS50 is a high-performance cylinder oil for modern two-stroke crosshead low-speed marine diesel engines running fuels with 0,5%–1,5%m sulfur. Formulated with premium mineral base oils and advanced additives for anti-wear, detergency, oxidation stability, and corrosion protection. Provides excellent cleanliness, thermal stability, and durability under high pressure. Meets or exceeds key OEM specifications.