EAL, Biodegradable Synthetic Stern Tube Lube

Available Grades: ISO 68, 100, 150

BioFlo® FS STL is a high-performance, biodegradable stern tube lubricant formulated from high-quality synthetic ester technologies. Engineered to meet the U.S. EPA 2013 Vessel General Permit (VGP) requirements, it qualifies as an Environmentally Acceptable Lubricant (EAL).

BioFlo FS STL forms a durable lubricating film that resists water, ensuring long-lasting protection of stern tube systems—even under severe marine operating conditions. The formulation is also miscible with traditional petroleum-based stern tube lubricants.

FEATURES & BENEFITS

• Readily biodegradable
• Water-resistant film for extended protection
• Reduces friction in critical components
• Excellent anti-corrosion and anti-wear protection
• Approved by SKF Blohm + Voss for seal compatibility

SUITABLE USES

Designed for use in the marine industry, specifically for the lubrication of sliding and rolling bearings within stern tube systems.

APPROVALS / CERTIFICATIONS

• eSyn Certified
• SKF Blohm-Voss Seal Approval
• USDA BioPreferred – Certified 86% Biobased
• Classified as Environmentally Acceptable Lubricants (EALs) as per EPA standards for biodegradability, toxicity and bioaccumulation in aquatic environments

PACKAGING

• 5 Gal Pail
• 55 Gal Drums
• 275 Gal Totes

DOWNLOADS

• Product Data Sheet
• Safety Data Sheet