KOYOTO MARINE Guard 6 series is a range of high performance marine multipurpose system oils formulated with high quality paraffinic base stocks and balanced additive system to ensure optimum performance and excellent protection in low speed, high output cross head marine engines, operating on residual fuels. It has sufficient alkalinity to neutralize any strong acidic combustion products which may enter into the crankcase and it demonstrates high load carrying ability under severe operating conditions.
KOYOTO MARINE Guard 6 series is a range of high performance marine multipurpose system oils formulated with high quality paraffinic base stocks and balanced additive system to ensure optimum performance and excellent protection in low speed, high output cross head marine engines, operating on residual fuels. It has sufficient alkalinity to neutralize any strong acidic combustion products which may enter into the crankcase and it demonstrates high load carrying ability under severe operating conditions.
Specifications Koyoto Guard 6 series meets or exceeds following International and Builder specifications:
Typical Characteristics
| Koyoto Guard 6 series | Test Method | Units | 630 | 640 |
|---|---|---|---|---|
| SAE Grade | — | — | 30 | 40 |
| Density @ 15 0C | ASTM D 4052 | gm/cc | 0.892 | 0.900 |
| Viscosity @ 100 0C | ASTM D 445 | cSt | 11.6 | 14.6 |
| Viscosity @ 40 0C | ASTM D 445 | cSt | 103 | 145 |
| Viscosity Index | ASTM D 2270 | – | 100 | 99 |
| Pour Point | ASTM D 97 | °C | -15 | -12 |
| Flash Point (COC) | ASTM D 92 | °C | 245 | 268 |
| Total Base Number | ASTM D 2896 | mg KOH/g | 6.0 | 6.0 |
| Sulphated Ash | ASTM D 874 | wt% | 0.8 | 0.8 |
The above figures are typical of blends with normal production tolerance and do not constitute a specification.
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