SINO S.O Marine Oil HF-MD is formulated with highly refined base oils and selected additive technology to meet the operating demands of medium-speed marine diesel engines. It provides good acid neutralisation, thermal stability, and reliable anti-wear and anti-corrosion protection for engines running for extended hours.
Its excellent detergency and dispersancy helps keep engine components cleaner by controlling deposits and sludge. The oil also offers good water shedding to support stable lubrication performance in marine operating environments.
Designed for dependable protection, SINO S.O Marine Oil HF-MD helps reduce frictional wear, supports cleaner operation, and contributes to longer engine life. It is formulated to meet API CD and MIL-L-2104C performance requirements.

KEY FEATURES 

• Excellent detergency and dispersancy for cleaner engines

• Good water shedding (water separation) property

• Superior oxidation and thermal stability for long operating hours

• Promotes engine cleanliness and helps control deposits

• Protects against frictional wear and corrosion

• Helps prolong engine life and improve reliability

SPECIFICATIONS 

• Product Type: Marine Diesel Engine Oil

• Engine Type: Medium-speed marine diesel engines

• Performance Standard: API CD, MIL-L-2104C

• Recommended Use: Diesel engines burning residual fuels of low to medium sulphur contents

• Available SAE Grade: SAE 30 | SAE 40

• Typical Values (SAE 30): KV @40°C 104 cSt, KV @100°C 11.8 cSt, VI 97, Flash Point (COC) 228°C, Pour Point -18°C, TBN 20 mgKOH/g

• Typical Values (SAE 40): KV @40°C 146 cSt, KV @100°C 14.5 cSt, VI 97, Flash Point (COC) 240°C, Pour Point -18°C, TBN 20 mgKOH/g

• Test Methods: ASTM D445, D2270, D92, D97, D289