Product Description

Samic Optimal Topaz 4T SL/JASO MA2 series are designed with high quality base stocks and advanced technology additive system to provide high level of protection and performance. It works harder than other conventional motor oils by continuously preventing dirt and sludge build-up and reduces engine noise. This product meets the requirements of most motorcycle manufacturers and is suitable for use in 4 stroke gasoline engines, naturally aspirated or turbo charged engines, operating in all round seasons and adapted to vehicles equipped with catalytic converters running on unleaded fuels.

Product Description & Specifications

Performance & Customer Benefits

  • Superior protection against viscosity and thermal breakdown.
  • Excellent detergency and dispersancy.
  • Superior sludge protection for greater engine reliability.
  • Enhanced wear protection and improved engine cleanliness.
  • Easier cold starts and improved fuel economy compared to mono-grade engine oils.


Specifications & Recommendations

Samic Optimal Topaz 4T meets or exceeds following International and Builder specification:

  • API SL
  • JASO MA, MA2
  • JASO 4T Clutch performance

Main Application

Samic Optimal Topaz 4T is suitable for use in following:

  • Motorcycle 4 Stroke gasoline engines.
  • Naturally aspirated or turbo-charged engines.


Typical Physical Characteristics

Samic Optimal Topaz 4T Test Method Units 15W-40 15W-50
Density @ 15 0C ASTM D 4052 gm/cc 0.888 0.890
Viscosity @ 100 0C ASTM D 445 cSt 14.30 20.4
Viscosity @ 40 0C ASTM D 445 cSt 107 175
Viscosity Index ASTM D 2270 137 136
Pour Point ASTM D 97 °C -30 -30
Flash Point (COC) ASTM D 92 °C 230 236
Total Base Number ASTM D 2896 mg KOH/g 7.8 7.8
Phosphorous ASTM D 4951 % wt 0.098 0.098
CCS Viscosity ASTM D 5293 cP 6020 @ -20 °C 6060 @ -20 °C

The above figures are typical of blends with normal production tolerance and do not constitute a specification.



For further information, please contact: [email protected]

MSDS & Data Sheets

TDS - Technical Data Sheet Download
MSDS - Material Safety Data Sheet Download