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KEY-148 Natural Refined Insulating Oil
Product Highlights
High flash point | Maintain long-term stability | High insulation |
Good insulation | Good lubricity | Good biodegradability |
Product Introduction
- Ultimate Thermal Safety and Ecological Compatibility: With a flash point exceeding 180°C, KEY-148 delivers exceptional fire and explosion resistance for equipment. Simultaneously, its near-perfect biodegradability ensures zero damage to soil and aquatic ecosystems in extreme leakage scenarios, making it a truly "eco-friendly" insulating oil.
- Optimized Dielectric Synergy: Featuring a high dielectric constant of 2.0-3.2, it achieves excellent compatibility with insulating paper (approximately 4.4). This synergy effectively balances the internal electric field distribution within the insulation system, significantly reducing the aging rate of insulating paper and fundamentally extending the transformer's entire lifecycle.
- Unique Gas Adsorption and Self-Purification Mechanism: Possesses a natural "breathing" function with exceptional solubility for oxygen and moisture. This characteristic not only inhibits the hydrolysis aging of insulating paper but also effectively suppresses partial discharge by absorbing internal gases, maintaining long-term stability within the equipment environment.
- Sustainability throughout the entire lifecycle: Derived from renewable plant resources, it fully aligns with global carbon neutrality and green energy transition strategies, providing enterprises with an ideal solution to fulfill environmental responsibilities from the source.
Physicochemical parameters
| Density | 0.86 g/cm3 (15℃) |
| Kinematic viscosity | 5.2 mm2/s |
| Flash point (opening) | 189 ℃ |
| Pour point | -62 ℃ |
| Acid value | 0.004 mg KOH/g |
| Moisture | 55 mg/kg |
| Relative permittivity (90℃) | 2.95 |
| Dielectric loss (90℃) | 1.9×1013 |
| Breakdown voltage (2.5 mm) | 94.5 kV |
| Constant pressure specific heat (40℃) | 2.02 kJ/(kg·K) |
| Thermal conductivity (60℃) | 0.128 W/(m·K) |
Product Packaging
5 L、10 L、15 L、20 L、25 L、50 L、100L、150 L
Transportation and storage
Transport as non-hazardous chemicals and non-corrosive chemicals.
Store in a cool, dry place away from light, heat, and moisture, and keep sealed.
Shelf life is 12 months when sealed.
Single packages must not be stacked more than two layers high, and the bottom layer must be secured with a non-slip tray to prevent compression, deformation, or tipping.
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