Heavy Alkyl Benzene

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Heavy Alkyl Benzene (HAB - Transformer Oil & Process Oil Grade)

“The heavy-duty dielectric: the branched hydrocarbon that insulates transformers and softens rubber.” Arnico’s Heavy Alkyl Benzene (HAB) is the robust, high-stability residual product from the LAB production process, characterized by longer and branched alkyl chains. With its exceptional thermal and oxidation stability, it is the premium dielectric fluid of choice for high-performance power transformers, and an effective process oil for the rubber and plastics industries. It’s the heavy, reliable molecule that protects critical electrical infrastructure.

Description More

1. Product Introduction & Main Application

Arnico’s Heavy Alkyl Benzene (HAB) is a viscous, clear, oily liquid obtained from the distillation bottoms of the LAB production process, featuring longer and more branched alkyl chains (C14+). This product, thanks to its excellent thermal and oxidation stability, is used as a dielectric base oil in transformers, a process oil in the rubber and plastics industries, and a lubricant in specialty formulations.

2. Technical Specifications

Technical Parameter	Transformer Oil Grade	Lubricant / Process Oil Grade	Unit
Viscosity at 40°C	30 – 50	80 – 150	cSt
Pour Point	≤ -35	≤ -20	°C
Flash Point	≥ 160	≥ 180	°C
Total Acid Number (TAN)	≤ 0.01	≤ 0.05	mg KOH/g
Color (ASTM D1500)	≤ 0.5	≤ 1.5	–
Density (20°C)	0.860 – 0.880	0.870 – 0.890	g/cm³
Dielectric Breakdown Voltage	≥ 50	–	kV

3. Features & Benefits

Excellent Dielectric Stability: Superior insulating properties and resistance to degradation at the high operating temperatures of transformers.
High Oxidation & Thermal Stability: Prevents the formation of sludge and acid over the long service life of equipment.
Polymer Compatibility: Acts as a plasticizer and improves the mixing process in tire and rubber component manufacturing.
Very Low Pour Point: Guarantees reliable performance at low temperatures for outdoor transformers.

4. Industrial Applications

Electrical & Electronics Industry: A dielectric fluid in power and distribution transformers and capacitors.
Rubber & Tire Industry: An extender and process oil and a softening agent.
Lubricant Industry: A base fluid for high-temperature greases and industrial oils.
Chemical Industry: A solvent and carrier in specialty formulations.

5. Safety & Handling

MSDS (Material Safety Data Sheet): This material is a mild skin irritant. Hot oil poses a burn risk. The Arnico MSDS file must be obtained.
Storage Conditions: Store in clean, dry tanks, away from moisture, at ambient temperature. Filtration is recommended before use for the transformer grade.
Personal Protective Equipment (PPE): When handling hot material, the use of heat-resistant gloves and safety goggles is required.

6. Quality Assurance & COA

Arnico HAB shipments are accompanied by a Certificate of Analysis (COA) detailing the viscosity, flash point, and dielectric breakdown voltage (for the transformer grade).

Technical documents for the product Heavy Alkyl Benzene 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.