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Electrical Polyisobutylene Insulating Filler JT-X-1000 Series
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Detailed Introduction
I. Product Description
The JT-X-1000 series high-voltage insulating fillers are developed in accordance with insulation oil standards for power systems and tailored to the physicochemical properties of silicone rubber products, with polyisobutylene as the primary base material. These fillers exhibit outstanding electrical insulation performance and weathering stability, do not cause swelling in silicone rubber components, demonstrate stable performance across a wide temperature range, and can be custom-manufactured to meet specific customer requirements for viscosity and insulation class.
II. Technical Specifications
| Performance Metrics | Standard |
|---|---|
| Appearance | Transparent, colorless to pale yellow, with no suspended particles or precipitates. |
| Density (20°C) / (g/cm³) | 0.840 ~ 0.890 |
| Number-average molecular weight | 1200 - 1300 |
| Flash Point (Closed Cup) / °C | ≥100 |
| Pour Point / ℃ | ≤-30 |
| Acid value (as KOH) / (mg/g) | ≤0.02 |
| Water content / (mg/kg) | ≤50 |
| Breakdown Voltage (2.5 mm) / kV | ≥45 |
| Dielectric loss factor (25°C, 50 Hz) | ≤0.2 |
| Volume resistivity (25°C) / (Ω·m) | ≥2.0 × 10¹³ |
III. Scope of Product Application
Insulating accessories suitable for rated-voltage and extra-high-voltage silicone power cables, which can be used in conjunction as insulating fillers and sealing/protection materials.
IV. Storage and Shelf Life
Store in a cool, dry, well-ventilated place, away from direct sunlight. Shelf life: three years.
V. Instructions for Use
1. Before use, verify that the product model matches the required viscosity and insulation class.
2. Ensure that the surface of the equipment to be filled is clean, dry, and free of oil stains and impurities;
3. According to the equipment filling requirements, slowly inject (or apply) polyisobutylene into the target area, taking care to avoid bubble formation;
4. After filling, verify the sealing condition and ensure compatibility with the equipment materials.
VI. Grade, Specifications, and Packaging
Product packaging specifications are: 16 kg/drum, 185 kg/drum.
VII. Precautions
- This substance should be stored in a sealed container in a cool, well-ventilated area.
- This substance must be kept sealed until it is ready for use.
- Contact between this substance and prohibited mixing substances shall be prevented.
- Contact with heat sources, electric sparks, and open flames shall be prohibited.
- Wear appropriate personal protective equipment, use below the ignition point, and prevent liquid or vapor leakage.
- Keep away from open flames and prevent the ignition of any fire sources, such as electrical sparks, static sparks, heat sources, and high-temperature objects.
- When using this substance, avoid inhaling vapors or fumes, prolonged and repeated skin contact, and eye contact.
Keyword： Electrical Polyisobutylene Insulating Filler JT-X-1000 Series
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