H-Class Epoxy Insulation Rod with 1.8-2.0g/cm³ Density and ≤5.5 Dielectric Constant for Transformers
Our H-Class Epoxy Insulation Rod provides superior electrical insulation and mechanical stability for demanding transformer applications. Manufactured using advanced pultrusion technology with E-class glass fiber reinforcement, this insulation material delivers exceptional performance in high-temperature environments.
- Thermal Class F/H rating for high-temperature operation
- Low dielectric constant ≤5.5 for efficient insulation
- Minimal water absorption ≤0.05% for moisture resistance
- Parallel BDV ≥35kV in oil at 90℃
- Density 1.8-2.0g/cm³ for optimal strength-to-weight ratio
| Parameter | Specification |
|---|---|
| Dielectric Constant | ≤5.5 |
| Dielectric Loss Factor | ≤0.04 |
| Water Absorption | ≤0.05% |
| Density | 1.8-2.0g/cm³ |
| Thermal Class | F, H |
| Vertical BDV in Oil (90℃) | ≥14.2kV/mm |
| Available Lengths | 1m or 2.5m (Customizable) |
| Material Composition | Unsaturated Polyester / E-class Glass Fiber Yarn |
| Available Colors | Grey or White |
| Available Shapes | Rod, I-Type, Corner |
- Transformers: Insulates windings from core to prevent electrical arcing
- Switchgear: Creates barriers between live parts and ground for safety
- Motors: Separates windings from housing to maintain efficiency
- Circuit Breakers: Prevents arcing between contacts for reliable operation
- Power Cables: Provides environmental protection against moisture and damage
- Electronic Components: Serves as substrate for capacitors and resistors
Produced using vacuum injection epoxy pultrusion technology, our insulation rods feature smooth surfaces free from significant defects, ensuring easy handling and installation. The combination of unsaturated polyester resin and E-class glass fiber yarn creates a durable, lightweight solution that withstands daily operational stresses while maintaining excellent electrical properties.
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