High Breakdown Strength Epoxy
Maximum Safety Margin for High-Voltage Systems
Breakdown voltage is the core indicator of insulation material electrical strength. It directly affects the safety margin of power equipment operation. Our high breakdown strength epoxy raises the dielectric strength to above 28 kV/mm. This provides a sufficient safety margin for high-voltage insulation applications. Our product is widely used in medium and high voltage transformers, switchgear, and other demanding electrical applications.
Ultra-Pure Formulation for Reliable Insulation
Our high breakdown strength epoxy uses high-purity epoxy resin and a specialized curing agent system. We strictly control impurity content to ensure high purity and excellent electrical properties from the raw material stage. Every batch of our product undergoes strict factory testing. Key indicators like dielectric strength are tested and verified before shipment. All products have passed SGS testing and CMA certification. We also hold three system certifications. Our product delivers consistent performance that you can count on for critical insulation needs.

Technical Specifications with Full Certification
Our high breakdown strength epoxy comes in 20kg and 200kg packaging. We ship as regular chemical products. Storage should be in a cool, dry, and dark place with sealed containers. The shelf life is 12 months. We offer free samples for testing. We customize the formulation based on your breakdown voltage and temperature requirements. Our factory has 6 reaction vessels and complete R&D testing equipment. We control the timeline from formulation design to sample production.
|
Parameter |
Value |
|
Dielectric strength (breakdown voltage) |
≥28 kV/mm |
|
Volume resistivity |
≥10¹⁵ Ω·cm |
|
Dielectric constant (50Hz) |
3.4-4.2 |
|
Dissipation factor (50Hz) |
≤0.008 |
|
Arc resistance |
≥140s |
|
Comparative tracking index (CTI) |
≥600V |
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