Stern Tube Grease is a specialized marine lubricant designed for stern tube bearings in ships. It provides excellent water resistance and adhesion to protect against wear and corrosion. This grease ensures smooth operation and longevity of propulsion systems in harsh marine environments.

Size: Typically available in 400g, 1kg, and 18kg cartridges or drums.

Grade: NLGI 2 or NLGI 3, depending on application requirements.

Viscosity: High-viscosity base oil (ISO VG 150 to VG 460).

Buoyancy: Water-resistant and provides excellent sealing properties.

Material: Lithium or calcium complex-based, with additives for extreme pressure (EP) and anti-wear properties.

Operating Temperature: -20°C to +120°C.

Dropping Point: Typically above 180°C.

Color: Usually dark brown or black.

Density: Approximately 0.9 - 1.1 g/cm³.

Compatibility: Suitable for use with rubber or synthetic stern tube bearings.

Stern Tube Grease and Marine Lubricants typically comply with maritime standards such as ISO 6743-4, ISO 15380, and other relevant industry specifications. Always check the product datasheet for specific compliance details.