روغن پایه SN 180 - شرکت مواد شیمیایی آرنیکو

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Base Oil SN 180 (Medium-Heavy Viscosity Group I)

Base Oil SN 180

“The robust film-former: the heavier base for gear oils, marine lubricants, and heavy-duty engine oils.” Arnico’s Base Oil SN 180 is the medium-to-high viscosity, highly durable paraffinic Group I base stock designed for applications where load-carrying and film strength are paramount. As the foundational fluid for heavier-grade engine oils, high-load industrial and automotive gear oils, and circulating oils, it provides a powerful protective lubricating film under the most severe pressure and temperature conditions. For formulators tackling demanding, heavy-duty applications, our SN 180 delivers the robust, reliable foundation they need.

Description More

1. Product Introduction & Main Application

Arnico’s Base Oil SN 180 is a medium-to-high viscosity Group I mineral base oil, possessing a higher viscosity than SN 150 and creating a stronger lubricating film and higher thermal stability. This oil is used for the formulation of heavier-duty engine oils, high-load industrial and automotive gear oils, circulating oils, and higher-performance base oils that require resistance to pressure and temperature.

2. Technical Specifications

Technical Parameter	Standard SN 180 Grade	High Purity Export Grade	Unit
Viscosity at 40°C	36 – 42	38 – 42	cSt
Viscosity at 100°C	6.0 – 6.5	6.0 – 6.7	cSt
Viscosity Index (VI)	≥ 95	≥ 98	–
Flash Point (COC)	≥ 210	≥ 220	°C
Pour Point	≤ -9	≤ -12	°C
Sulfur	≤ 0.5	≤ 0.4	%
Color (ASTM)	≤ 2.0	≤ 1.5	–

3. Features & Benefits

A Strong, Pressure-Resistant Lubricating Film: Its higher viscosity provides superior protection for components under heavy loads and mechanical shock.
Superior Thermal & Oxidation Stability: Resists degradation and sludge formation at the high temperatures found in circulating systems and gearboxes.
A High Flash Point: Offers enhanced safety in high-temperature applications.
Excellent Additive Solubility: It blends well with high-viscosity additive packages for specialty oils.

4. Industrial Applications

Engine Oils: The base for heavy-duty diesel engine oils and monograde SAE 40 and 50 oils.
Gear Oils: The base for high-viscosity automotive and industrial gear oils.
Circulating Oils: A lubricant for centralized lubrication systems and large bearings.
Metalworking & Heavy-Duty Industrial Lubricants: The base fluid for extreme pressure (EP) performance lubricants.

5. Safety & Handling

MSDS (Material Safety Data Sheet): Prolonged skin contact can cause irritation. The Arnico MSDS file is available.
Storage Conditions: Store in dry, clean tanks, away from moisture, at ambient temperature. Filtration before use is recommended.
Personal Protective Equipment (PPE): The use of oil-resistant gloves and safety goggles is recommended.

6. Quality Assurance & COA

Arnico SN 180 shipments are accompanied by a complete Certificate of Analysis (COA) detailing the viscosity, viscosity index, and flash point

Technical documents for the product Base Oil SN 180 including the Technical Data Sheet (TDS), Material Safety Data Sheet (MSDS), and Certificate of Analysis (COA), are available to customers upon request.

To receive these documents and further information, please contact our technical or sales department, or reach out to us via email.