Gas Chromatography Analysis for Insulating Oil
Benzyltoluene is characterized by excellent insulating and dielectric properties, low viscosity, a high boiling point, and high thermal stability. It finds extensive applications in the electric power and petrochemical sectors as a capacitor impregnating agent and heat - conducting oil. Also, on account of its powerful gas absorption capacity and high hydrogen storage density, it has a bright future as a hydrogen storage carrier in the new energy area. As industrial technology keeps advancing, the domestic demand for benzyltoluene products with excellent performance is bound to expand.
Product Details：Gas Chromatography Analysis for Insulating Oil
When benzyl chloride reacts with toluene, monobenzyltoluene (MBT) and dibenzyltoluene (DBT) are formed. These MBT and DBT possess good thermal stability, can operate over a wide temperature range, are non - corrosive, and have no odd odor. They are heat - transfer oils of excellent overall performance.
Parameter：
Reference Standard:GB 21221-2007 | ||
Item | Unit | ndex Value |
Appearance | ------- | Colorless transparent liquid |
Density(20℃) | g/cm³ | 0.980-1.020 |
Acid Number | mg KOH/g | ≤0.015 |
Flash Point | ℃ | ≥135 |
Pour Point | ℃ | ≤-60 |
Kinetic viscosity(40℃) | mm²/s | ≤4.0 |
Breakdown Voltage (Spherical electrode/50Hz,2.5mm) | KV | ≥70 |
Dielectric Dissipation Factor (90℃-50Hz) | ------ | ≤0.001 |
Electric volume resistivity(90℃) | Ω.m | ≥1.0*10¹² |
Relative Permittivity (90℃-50Hz) | ---- | 2.45-2.55 |
Water Content | mg/kg | ≤50 |
Gassing Property | m³/min | ≤-130 |
Chlorine Content | mg/kg | ≤30 |
Epoxy Content | Mg HCI/g | 1.6-2.0 |
1. Quality Index
Pour point: Generally, it ranges from -40 °C to -50 °C. The low pour point enables the insulating oil to remain in a liquid form at low temperatures. As a result, the performance of the capacitor won't be affected by the solidification of the oil.
Acid value: Typically, the acid value is less than 0.05mgKOH/g. The lower the acid value, the more stable the chemical properties of the insulating oil are. This also means it will be less corrosive to the capacitor's electrodes and insulation materials.
Moisture: Usually, the moisture content should be less than 50ppm. An excessive amount of moisture can significantly degrade the insulating performance of the insulating oil, raise the dielectric loss, and potentially cause internal breakdown in the capacitor.
2. Application Areas
Power capacitors: Power systems make extensive use of power capacitors for reactive power compensation and filtering. Capacitor oil functions as the insulation and cooling medium. Under high - voltage and high - current operating conditions, it guarantees the stable operation of power capacitors. This helps to boost the power factor of the power system, cut down the line loss, and upgrade the power quality.
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"I'm from the United States, and I'm really happy with Haikun Petrochemical's insulating oil. They listened to my needs and provided a high - quality product. The parameters were correct, and the lab report was very professional. The sales service was great, and the purchase was seamless. " - United States, John Wilson
