Description
Shell PANOLIN S4 HLP Synth EAL 68 is a high-performance, readily biodegradable hydraulic fluid formulated with fully synthetic saturated esters and zinc-free additive technology. It is designed for hydraulic systems operating in environmentally sensitive areas, including marine, construction and forestry applications. The fluid is classified as a HEES hydraulic fluid under ISO 15380 and meets the requirements of the EU Ecolabel and US EPA 2013 Vessel General Permit (VGP).
Key Features & Benefits
- Readily biodegradable: More than 60% biodegradation after 28 days according to OECD 301B.
- Environmentally acceptable lubricant: Suitable for applications where accidental leakage or environmental exposure is a concern.
- Synthetic saturated ester base: Provides reliable lubrication and good performance across a broad operating range.
- Zinc-free formulation: Helps provide effective hydraulic system protection without conventional zinc-containing additives.
- Excellent wear protection: Helps protect pumps, valves and other hydraulic components against wear.
- Extended oil life: Good oxidative stability helps reduce fluid degradation and can support longer drain intervals.
- Excellent cold-flow performance: Low pour point helps support reliable starting in cold conditions.
- High viscosity index: VI of 171 helps maintain suitable viscosity across changing operating temperatures.
- Low ecotoxicity: Designed to reduce environmental impact compared with conventional mineral-based hydraulic fluids.
- Good water separation: Helps facilitate removal of water contamination from hydraulic systems.
Applications
Shell PANOLIN S4 HLP Synth EAL 68 is suitable for:
- Stationary hydraulic systems
- Mobile hydraulic equipment
- Marine hydraulic systems
- Marine deck equipment
- Hydraulic cranes
- Construction machinery
- Forestry equipment
- Hydraulic brakes
- Hydraulic pitch systems
- Controllable-pitch propellers
- Stabilisers and thrusters
Shell’s PANOLIN range identifies the S4 HLP Synth EAL grades for hydraulic systems, including marine and deck equipment, construction and forestry applications.
Specifications & Approvals
- ISO 15380: HEES
- EU Ecolabel: Meets requirements for EU Ecolabel NL/027/028
- US EPA 2013 VGP: Meets requirements
- Biodegradability: >60% after 28 days according to OECD 301B
- Base Fluid: Fully synthetic saturated esters
- Viscosity Grade: ISO VG 68





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