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MARINO BIOSTERN ST1 pack
Stern Tube Oils

MARINO BIOSTERN ST1

Available in ISO Grade 100, 150 and 220.

A high-quality synthetic biodegradable lubricant that features outstanding anti-corrosion and anti-wear properties, as well as very high viscosimetrics performance, designed particularly for stern tubes that operate under a wide range of temperatures.

This product contributes to Co2 emissions reduction by producing with renewable raw materials.

Available sizes
  • 200 Liter

Application

Developed for lubricating sliding rolling bearings of stern tube to minimize environmental impacts, especially for use when incidental spillage inenvironmentally sensitive areas may occur.

Thanks to high viscosity index (VI), this product can be utilize under large temperature bandwidth (-20°C to 80°C).

Compatible with commonly used seals such as Viton and many new bioseals.

Benefits

  • Protect against wear and corrosion
  • Very good low temperature performance
  • High natural viscosity index (VI)
  • Environmentally acceptable product
  • Reduce harmful Co2 emissions
  • Compatible with many common seals

Product Technical Data

ISO Grade100150220
Density at 15°C, kg/m³933961966
Viscosity index (VI)>170>180>170
Kinematic viscosity @100°C, mm²/s1821.828.9
Kinematic viscosity @40°C, mm²/s102151221
Flash Point, °C>240>240>240
Pour Point, °C-40-34-29
Biodegradability>50>50>50

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