M/DBT Insulating Oil
Composed mainly of benzyl toluene, benzyl toluene insulating oil is a specialized material used in the power industry. It serves an essential function in transformers and cables by providing excellent electrical insulation and cooling effects. When compared with traditional insulating oils, it has better environmental properties and higher durability. As a result, it can effectively decrease the maintenance frequency of equipment and improve the operational efficiency.
Product Details：M/DBT Insulating Oil
Benzyl toluene insulating oil is turning into a desirable choice for capacitors and is gradually substituting traditional insulating oils. Its environmentally - friendly traits and excellent electrical capabilities make it highly popular in the marketplace. With the growing need for efficient and sustainable materials, this insulating oil provides a more reliable insulation alternative for capacitors, fueling technological advancements within the power industry.
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
In terms of thermal stability, it is capable of maintaining excellent insulation performance even under high - temperature conditions (above 100 °C) and in extreme environments. The high flash point of this substance significantly decreases the fire risk. Regarding environmental characteristics, novel capacitor oils like benzyl toluene insulating oil generally exhibit more favorable environmental performance. They have lower volatility and higher biodegradability, which lessens their impact on the environment. Moreover, these oils meet international environmental standards and are in line with the trend of green power development.
2. Quality Index
Kinematic viscosity: Usually, when the temperature is 40 °C, the kinematic viscosity is approximately 10 - 20mm²/s. Its low viscosity ensures that it has good fluidity regardless of temperature variations. It is able to circulate swiftly inside the capacitor, playing a role in insulation and heat dissipation.
Flash point: The open flash point commonly falls between 150 °C and 170 °C, and the closed flash point is within 130 °C - 150 °C. The high flash point makes sure that the capacitor is not easily ignited during operation, even in high - temperature conditions, which improves the safety during its application.
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