HONG YE SILICONE High-Dielectric Silicone Oil (Model 201 Methyl Silicone Oil) is a specialized cable filling material, a core Silicone raw material engineered for high-voltage cable insulation and moisture protection. This colorless transparent oily liquid features 10–1000 CS viscosity, 0.930–0.975 density (25℃), and exceptional dielectric strength. With outstanding high-dielectric performance, wide temperature adaptability (-50~180℃), and excellent hydrophobicity, it effectively isolates cables from moisture and electrical interference, meeting the rigorous demands of global cable manufacturers and electrical equipment purchasers.Electronic Encapsulation Adhesive, Silicone Potting Compound, Addition Curing Silicone, RTV 2 Silicone Rubber, Silicone Encapsulant, Potting Compound.
Product Overview
Our High-Dielectric Silicone Oil is a premium 201 methyl silicone formulation designed exclusively for cable filling applications—critical for power and communication cables requiring superior insulation, moisture resistance, and long-term stability. As a leading manufacturer of industrial-grade silicone materials, including liquid silicone and Electronic Potting Compound, we optimized this product to address the unique challenges of cable systems: high voltage stress, environmental exposure, and the need to prevent electrical breakdown. Unlike ordinary insulating oils, it offers ultra-high dielectric strength, low volatility, and physiological inertness, making it ideal for cable core filling, joint sealing, and insulation protection. Technical Specifications
This High-Dielectric Silicone Oil is a colorless transparent oily liquid with stable physical and chemical properties. At 25℃, its key parameters include:
- Viscosity: 10–1000 mPa·s (customizable)
- Density & Specific Gravity: 0.930–0.975 g/cm³
- Refractive Index: 1.390–1.410
- Flash Point (Open Cup): 155–300℃
- Freezing Point: -50℃ to -60℃
- Long-Term Working Temperature: -50~180℃
It exhibits excellent electrical insulation, hydrophobicity, and chemical stability. All parameters (viscosity, density, flash point) are fully customizable to match specific cable types, voltage levels, and environmental conditions.
Product Features & Advantages
- Ultra-High Dielectric Strength: Superior insulation performance prevents electrical leakage and breakdown, ensuring safe operation of high-voltage cables.
- Excellent Moisture Resistance: Strong hydrophobicity forms a protective barrier, isolating cables from moisture, humidity, and corrosive substances.
- Wide Temperature Adaptability: Maintains stable performance from -50℃ to 180℃, ensuring reliability in extreme cold and heat.
- Low Volatility & Longevity: Minimal volatilization reduces maintenance frequency and extends cable service life.
- Non-Toxic & Inert: Physiologically inert, non-corrosive to cable materials, and environmentally friendly.
- Multi-Functional Versatility: Beyond cable filling, it serves as Insulation Oil, Lubricating Oil, and Mold Release Agent, optimizing procurement efficiency.
How to Use (Step-by-Step)
- Pre-Filling Preparation: Ensure cable cores are clean, dry, and free of dust or debris to maximize adhesion.
- Oil Injection: Fill the cable core channel with High-Dielectric Silicone Oil using a dispensing tool, ensuring full coverage without air bubbles.
- Sealing: Seal cable joints or ends tightly to prevent oil leakage and moisture ingress.
- Storage: Seal unused silicone oil in original containers, store in a cool, dry, ventilated area, and transport as non-dangerous goods.
Application Scenarios
This High-Dielectric Silicone Oil is tailored for cable filling and insulation, including:
- Power Cables: High-voltage and low-voltage power cable core filling, joint sealing, and moisture protection.
- Communication Cables: Optical fiber and signal cable insulation, anti-interference, and moisture resistance.
- Industrial Cables: Underground, overhead, and marine cable protection in harsh environments.
For purchasers, it delivers reduced cable failure rates, lower maintenance costs, and enhanced operational safety in global electrical and communication markets.
Customization Options
We offer flexible customization services for cable filling needs:
- Adjust viscosity (10–1000 CS) to match cable filling methods and core sizes.
- Optimize density and flash point for high-voltage or extreme temperature applications.
- Provide customized packaging (200kg iron drums or bulk) to meet large-scale procurement requirements.
- Support OEM services to meet specific cable manufacturer specifications.
Certifications & Compliance
Our High-Dielectric Silicone Oil adheres to international electrical and silicone industry standards, holding ISO9001 quality certification, CE, and RoHS compliance. It meets strict safety and environmental requirements for cable manufacturing, with stable batch consistency and non-toxic formulation, widely recognized by global cable and electrical industry clients.
FAQ
Q: Is this silicone oil suitable for high-voltage power cable filling?
A: Yes. Its ultra-high dielectric strength and excellent insulation performance make it ideal for high-voltage cable protection, preventing electrical breakdown and ensuring safe operation.
Q: Will it affect the flexibility of cables?
A: No. It has low surface tension and good compatibility with cable insulation materials, maintaining cable flexibility while providing superior protection.
Q: What is the storage and transportation standard?
A: Packaged in 200kg iron drums, stored in a cool, dry place, and transported as non-dangerous goods per general chemical regulations.
Q: Can the viscosity be adjusted for different cable types?
A: Yes. We can customize viscosity between 10–1000 CS to match the filling requirements of different cable sizes and structures.