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CasNo: 63148-62-9
MF: C6H18OSi2
Appearance: liquid
Delivery Time: 15 days
Packing: 200kg/drum
Purity: 99%
Excellent Electrical Insulation Performance
It has extremely high dielectric strength, enabling it to withstand high voltages and effectively prevent discharge under electric fields, thus ensuring the safe and stable operation of transformers. For example, in high-voltage environments, it can maintain a stable insulating state, significantly reducing the risk of short circuits and breakdowns.
Outstanding Thermal Stability
It features a wide operating temperature range, maintaining stable performance without thermal decomposition or oxidation even in high-temperature environments. Meanwhile, it retains good fluidity and insulation properties in low-temperature conditions. For instance, it functions normally in high-temperature industrial settings or cold outdoor environments, ensuring the continuous operation of transformers.
High Flash Point and Self-Extinguishing Property
Its flash point is significantly higher than that of traditional transformer oil, and it possesses self-extinguishing characteristics. Even if exposed to an ignition source, it is difficult to ignite; once the ignition source is removed, it extinguishes quickly on its own. This greatly reduces fire risks and enhances the fire safety of transformers.
Good Chemical Stability
It has extremely stable chemical properties and is less likely to react with other substances. It is non-corrosive to most metals and insulating materials, and exhibits excellent compatibility with various solid insulating materials inside transformers. This ensures the long-term reliable operation of transformers and extends the service life of equipment.
Superior Cooling Performance
With high specific heat capacity and thermal conductivity, it can efficiently absorb and transfer heat generated during transformer operation, and dissipate heat rapidly. This achieves excellent cooling effects, ensuring effective cooling of the transformer core and windings, and maintaining the equipment at a normal operating temperature.
Environmental Friendliness and Non-Toxicity
It contains no harmful substances such as halogens or heavy metals, and its decomposition products are non-toxic and harmless, making it environmentally friendly. It also has good biodegradability, complying with environmental protection requirements. Neither its use nor waste disposal will cause pollution to the ecological environment.
Specific parameters of transformer silicone oil may vary by model; the following are examples of common parameters:
Parameter | Typical Value | Description |
---|---|---|
Kinematic Viscosity (25℃) | Approximately 50 mm²/S | Affects the fluidity and heat dissipation efficiency of the silicone oil; an appropriate viscosity ensures good heat conduction and equipment lubrication at different temperatures. |
Refractive Index (20℃) | Approximately 1.404 | Reflects the purity and molecular structure of the silicone oil, which has a certain impact on its optical and insulating properties. |
Density (20℃) | Approximately 0.96 kg/dm³ | A basic physical property of silicone oil, correlated with other performance parameters and influencing the overall quality and application effect of the product. |
Coefficient of Expansion | e.g., 0.00104 K⁻¹ | Represents the degree of volume change of the silicone oil with temperature, which is of great significance for the sealing design and operational stability of transformers. |
Acid Value | Generally below 0.01 mgKOH/g | A lower acid value indicates better chemical stability of the silicone oil and less corrosion to internal equipment materials. |
Breakdown Voltage | Up to 65 kV and above | A key indicator for measuring the insulating performance of silicone oil; a higher value means more reliable insulation. |
Volume Resistivity (90℃) | Up to 10¹² Ω·m | Reflects the insulation resistance characteristics of the silicone oil; high volume resistivity helps reduce leakage current and ensures the safe operation of electrical equipment. |
Dielectric Loss (90℃) | Typically around 0.036% | A lower dielectric loss indicates less energy loss of the silicone oil under an electric field, which can improve the operational efficiency of transformers. |
Power Systems
Widely used in transformers of various voltage levels (e.g., 10 kV, 25 kV, 35 kV) to provide reliable insulation and cooling functions. It is also applicable to other electrical insulation equipment such as oil-immersed switches and capacitors, ensuring the stable operation of power systems.
Special Locations
Particularly suitable for places with high fire safety requirements, such as urban substations and transformers installed inside buildings. In these densely populated areas or locations with strict safety demands, its high flash point and low fire risk effectively reduce potential hazards.
Special Environments
It can work normally under harsh environmental conditions such as high temperature, low temperature, and high humidity. For example, it ensures the stable operation of transformers in high-temperature deserts, cold polar regions, and humid coastal areas.
Other Fields
It can also be used as an insulating and cooling medium in electronic equipment, aerospace devices, and industrial automation equipment that have extremely high requirements for electrical performance and stability, ensuring the reliable operation of equipment under complex working conditions.
Equipment Preparation
Before adding transformer silicone oil, ensure the transformer is powered off, and conduct thorough cleaning and inspection. Check whether internal components such as insulating materials and windings are intact, remove impurities and moisture, and ensure the interior of the equipment is dry and clean.
Oil Quality Inspection
Perform quality testing on the transformer silicone oil to be used, including appearance inspection (ensuring the oil is clear and free of turbidity or impurities) and testing of various performance indicators (e.g., kinematic viscosity, breakdown voltage, acid value) to confirm that the oil quality meets requirements.
Oil Filling
Use professional oil-filling equipment to inject the silicone oil into the transformer slowly and evenly. Pay attention to controlling the filling speed and oil level height. During the filling process, avoid air entrainment in the oil to prevent bubbles from affecting insulation performance.
Air Venting
After oil filling, vent the transformer to remove air trapped during the filling process. Ensure the silicone oil fully fills the entire equipment cavity, avoiding the impact of gas on heat dissipation and insulation effects.
Operation Monitoring
After the equipment is put into operation, regularly monitor the oil temperature, oil level, and operating sound of the transformer. At the same time, periodically test the performance of the silicone oil (e.g., a comprehensive performance test every quarter or half a year) to promptly identify and address potential issues.
Storage Conditions
Store in a cool, well-ventilated, and dry warehouse, avoiding direct sunlight and high-temperature environments. The recommended storage temperature is generally 5℃ - 35℃ to prevent accelerated aging of the oil due to excessive temperature or reduced fluidity and performance due to extremely low temperature.
Avoid Contamination
Strictly prevent contaminants such as moisture and impurities from mixing into the silicone oil during storage and use. Moisture will reduce the insulation performance of the silicone oil, while impurities may cause internal equipment wear or short circuits. Therefore, storage containers and delivery pipelines for the oil should be kept clean and sealed.
Regular Inspection
Conduct regular inspections on the transformer silicone oil in operation. In addition to testing performance indicators, pay attention to changes in the oil’s appearance (e.g., color, odor). If the oil darkens, emits an abnormal odor, or its performance indicators deteriorate significantly, promptly analyze the cause and take corresponding measures (e.g., filtration, oil replacement).
Safety Protection
Operators should wear appropriate protective equipment (e.g., protective gloves, goggles) when handling transformer silicone oil to avoid contact with skin and eyes. In case of accidental contact, rinse immediately with plenty of water and seek medical attention promptly.
Environmental Disposal
Waste transformer silicone oil should be properly disposed of in accordance with environmental protection requirements and must not be discharged arbitrarily. Contact professional environmental recycling agencies to recycle and reuse the waste oil or treat it harmlessly, so as to reduce environmental pollution.