MILLUBE™ ST‑100U – Environmentally Acceptable Stern Tube Bearing Oil (VGP‑Compliant)
About the MILLUBE™ ST‑100U
MILLUBE™ ST‑100U is an environmentally acceptable stern tube bearing oil formulated with fatty‑acid‑ester base oils.
It delivers stable lubrication and excellent rust‑prevention performance even under harsh operating conditions using natural seawater.
Designed to address both reliability and environmental responsibility, MILLUBE® ST‑100U maintains stable lubrication during the critical initial operation period—when bearing issues are most likely to occur—while meeting strict environmental regulations for marine applications.
The product fully complies with the 2013 Vessel General Permit (VGP) requirements defined by the U.S. Environmental Protection Agency, ensuring a high level of safety in sensitive marine environments.
Features
- Environmentally acceptable lubricant compliant with 2013 VGP requirements
- Excellent lubricity and corrosion‑prevention performance under natural seawater exposure
- Stable lubrication during initial operation and break‑in periods
- Certified by stern tube seal equipment manufacturers
- High environmental safety profile: biodegradable, low toxicity, and low bioaccumulation
- Recipient of an environmental technology award
Structure & Basic Information
- Chemical nature: Fatty acid esters
- Appearance: Transparent liquid at 25 °C
- Flash point: 342 °C
- Pour point: −35 °C
- Kinematic viscosity (40 °C): 123 mm²/s
- Kinematic viscosity (100 °C): 18.5 mm²/s
- Viscosity index: 168
Applications
- Stern tube bearing lubrication for marine vessels
- Marine applications requiring VGP‑compliant, environmentally acceptable lubricants (EALs)
Packaging
- 200 L drum
- 20 L pail
- 18 L can
