Introduction

Full Synthetic Circulating Oil is a high-performance, polyalphaolefin (PAO)-based lubricant designed for continuous reuse in closed-loop industrial circulation systems.

Technical Specifications

Parameter	Specification	Functional Meaning
Viscosity Grades	ISO VG 32 / 46 / 68 / 100 / 150 / 220	Covers full range of industrial circulation systems
Viscosity Index	>140 (ASTM D2270)	Maintains stable lubrication film at high operating temperatures
Pour Point	-39°C to -45°C (ASTM D97)	Ensures reliable cold-start pumpability
Flash Point	230°C–260°C (ASTM D92)	High thermal safety in enclosed systems
Total Acid Number	≤0.15 mg KOH/g (ASTM D974)	Reduces oxidation-related corrosion over time
Copper Corrosion	1A (ASTM D130)	Safe for yellow-metal bearings and components

Product Parameter

Parameter	Specification
Oxidation Life (TOST)	>10,000 hours (ASTM D943)
Oxidation Resistance (RPVOT)	>1,800 min (ASTM D2272)
Sludge Formation	None (96h @ 175°C test)
Gear Wear Protection	FZG >12 (ASTM D5182)
Wear Protection	≤0.35 mm (ASTM D4172)
Water Separation	40/40/0 <15 min (ASTM D1401)
Air Release	<4 min @ 50°C (ASTM D3427)
Rust Protection	Pass (ASTM D665 A/B)

Machinery & Equipment Applications

Rolling Mills (Steel & Aluminum): Sustains hydrodynamic oil-film thickness under extreme shock loads. Mitigates roll surface defects and premature bearing fatigue.

Gas & Steam Turbines: Fast air release (ASTM D3427) in high-temperature circulation loops.

Heavy-Duty Gearboxes: Meets DIN 51517-3 CLP standards for spur, bevel, and planetary gearboxes.

High-Pressure Hydraulics: Supports continuous, stable operations in systems operating above 200 bar, controlling unscheduled maintenance interventions.

Seal Compatibility: Optimized compatibility with Nitrile (NBR), Fluorocarbon (FKM), and Silicone seals, controlling shrinkage and swelling risks to maintain system pressure integrity.

OEM Approvals

Turbine Specifications: Formulated to meet Siemens TLV 9013 04, TLV 9013 05, General Electric GEK 32568j, and GEK 107395 standards, simplifying cross-fleet global procurement.

Industrial Gear Standards: Fully complies with DIN 51517 Part 2 (CL) / Part 3 (CLP) and AGMA 9005-F16 Synthetic specifications for multi-brand manufacturing facilities.

Hydraulic OEM Alignments: Validated against Fives Cincinnati P-38, P-54, P-55, P-57, and Denison HF-0 / HF-1 requirements to ensure seamless warranty compliance during fluid substitution.

After-Sales Support

Used Oil Analysis (UOA): Predictive wear tracking (Fe, Cu, Pb trending) and viscosity shift alerts with 48-hour laboratory turnaround to plan preventative maintenance.

ISO 4406 Cleanliness Control: Quantitative Particle Count reporting and engineering consultation to maintain target system cleanliness levels (e.g., Target 16/14/11).

Varnish Monitoring: Membrane Patch Calorimetry (MPC) testing per ASTM D7843 to detect varnish potential and avoid operational stiction before valve malfunction.

Quality Control & Compliance

Global Compliance: Manufactured in ISO 9001:2015 and ISO 14001:2015 certified facilities. Fully European REACH compliant for hassle-free international customs and regulatory clearance.

Batch Verification: Every shipment is accompanied by a digitally signed Certificate of Analysis (CoA) linked directly to the specific production lot for verifiable quality audits.

Retained Samples: Physical batch samples are archived in climate-controlled storage for 36 months, facilitating reliable retrospective quality control tracking.

Risk-Free Compliance: Independent laboratory pre-shipment validation (via SGS or Intertek) is available upon request to satisfy internal corporate risk-management mandates.

FAQ

Q: How long can this oil realistically run in industrial circulation systems before replacement?

A: In continuous steel mill circulation systems, the oil typically remains in service for 24–36 months. In turbine systems with controlled contamination, some users extend it beyond 40 months with condition monitoring.

Q: What operating signs indicate the oil should be replaced, even if viscosity is stable?

A: Replacement is usually triggered by rising acid number above 1.0 mg KOH/g or varnish index increase detected via MPC testing.

Q: How tolerant is the oil to water ingress in real equipment conditions?

A: In field conditions, it can handle short-term water contamination up to around 0.3% without immediate lubrication failure if separation systems are active.

Q: How stable is the oil under prolonged high-temperature operation?

A: In continuous operation around 90–110°C, oxidation remains controlled for several thousand hours before noticeable viscosity drift occurs. Above 120°C sustained operation, monitoring frequency should be increased to monthly analysis cycles.

Q: How does contamination affect long-term gearbox protection performance?

A: Once solid contamination exceeds 20 mg/kg, micro-pitting risk increases sharply in high-speed gear meshes.

Q: Can this oil be mixed with other synthetic or mineral oils during emergency topping-up?

A: Emergency mixing is technically possible with most PAO-based fluids, but performance stability can drop within 30–90 days depending on the donor oil type.

Q: What packaging options are available?

A: The oil is available in 20L HDPE pails, 208L steel drums, and 1,000L IBC totes, all sealed with tamper-evident dual closures and palletized to ISPM-15 heat-treated standards.

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Full Synthetic Circulating Oil