Dibenzyl Toluene DBT
Benzyl toluene insulating oil, which is an insulation fluid with benzyl toluene as the base, is mainly used to insulate and cool electrical appliances. Due to its excellent electrical insulation properties and thermal stability, it is commonly used in high - voltage transformers and cables. The chemical properties of benzyl toluene ensure its stability in high - temperature and humid surroundings, effectively lengthening the lifespan of power equipment.
Product Details：Dibenzyl Toluene DBT
The utilization of benzyl toluene insulating oil in capacitors showcases its remarkable insulation qualities. When contrasted with traditional capacitor oils, it not only provides greater electrical insulation but also has outstanding thermal management abilities. Thanks to its chemical stability, this insulating oil can function extremely well in high - temperature and humid surroundings. As a result, it effectively lengthens the service life of capacitors and improves the overall performance of the equipment.
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. Performance Characteristics
The dielectric strength of capacitor oil generally surpasses 30 kV/mm, allowing it to efficiently prevent the leakage of current. Its quite low dielectric constant and loss factor are beneficial for its application in high - frequency scenarios. Capacitor oil has robust antioxidant and hydrolysis - resistance capabilities, and during extended use, it can keep its physical and chemical properties intact. As it hardly reacts with the moisture and oxygen in the air, the probability of oil degradation is decreased.
2. Analysis of the Synthesis Method of Benzyltoluene
Synthesis with Lewis acid as the catalyst: In the synthesis method with Lewis acid serving as the catalyst, the main catalysts are metal halides like AlCl3, FeCl3, ZnCl2 and GaCl3. This method was developed by Hess in Germany in the 1960s. With AlCl3 as the catalyst, the synthesis experiment of benzyltoluene was conducted at 60 - 70 ℃. Monobenzyltoluene separated by distillation from the reaction product was reacted with benzyl chloride to obtain dibenzyltoluene, and the yield reached 84% of the theoretical value.
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"I'm from Southeast Asia, and Haikun Petrochemical's industrial lubricants have been working well for us. They respect customer demands and offer high - quality products. The parameters are accurate, and the lab report gives us confidence. The salesperson was helpful during the purchase. " - Malaysia, Ahmad Tan
