Flyaford
Global utilities require support insulators capable of withstanding transient harmonic overvoltages, thermal expansion loads, and severe environmental pollution without dielectric breakdown.
Next-generation transformer units deployed in offshore wind farms, solar PV plants, and industrial arc furnaces demand tracking resistance (CTI > 600V) and robust mechanical cantilever strength.
Original Equipment Manufacturers (OEMs) are prioritizing partnerships with certified Original Design Manufacturers (ODM) equipped with in-house compression molding, insert machining, and IATF 16949 quality controls.
| Material Parameter | Thermosetting BMC/DMC | Epoxy Molding Compound (EMC) | Phenolic Resin (PF) | Legacy Porcelain / Ceramic |
|---|---|---|---|---|
| Dielectric Strength (kV/mm) | 18 - 25 | 22 - 30 | 15 - 20 | 10 - 15 |
| Comparative Tracking Index (CTI) | CTI 600 (PLC 0) | CTI > 600 | CTI 175 - 400 | CTI 600 |
| Mechanical Cantilever / Flexural (MPa) | 120 - 180 | 160 - 220 | 90 - 130 | 60 - 90 |
| Flame Retardancy Rating | UL 94 V-0 (Halogen-Free) | UL 94 V-0 / 5VA | UL 94 V-0 | Non-combustible |
| Thermal Shock Range (°C) | -40°C to +140°C | -50°C to +180°C | -30°C to +130°C | Brittle to Thermal Spalling |
| Thread Insert Torque Resistance | Superior (Over-molded Brass) | Extreme Precision Inserts | Moderate | Glued / Cemented Only |
A key failure mode in low-to-medium voltage busbar standoffs is internal micro-voiding and thermal expansion mismatch between metal threaded inserts (brass or electro-galvanized steel) and the polymer body.
Through automated compression molding with real-time temperature-pressure optimization, engineered resin viscosity ensures 100% encapsulation of hardware inserts. This completely eliminates partial discharge (PD < 5pC at nominal operating voltage) and yields exceptionally high thread torque resistance up to 500 N·m.
Situated in the Jinyi New District of Jinhua City, Zhejiang Province, ZHEJIANG FLYAFORD ELECTRON CO., LTD. covers a state-of-the-art construction area of 35,000 square meters. Operating as a National High-Tech Enterprise and a Zhejiang Provincial "Specialized, Refined, Distinctive, and Innovative SME", Flyaford specializes in the R&D, structural design, and large-scale manufacturing of composite transformer standoff insulators, busbar supports, and low-to-medium voltage insulation components.
With over 60 advanced molding presses, 20+ specialized testing devices, and a dedicated team of over 120 skilled personnel, Flyaford delivers more than 150,000 to 200,000 finished insulation units daily with an industry-leading defect rate below 100 PPM.
Innovation is the driving core of Flyaford. Operating as the Jinhua Feifaf High-Performance Insulator Science and Technology R&D Center, our R&D group includes senior engineers and full-time technical specialists. We have established robust industry-university research partnerships with leading institutions, including serving as the designated insulator supplier for Tsinghua University.
Our in-house high-voltage and mechanical laboratory contains advanced testing instrumentation:
Engineering consultation, 3D CAD modeling, and Finite Element Analysis (FEA) for mechanical stress and electrodynamic force distribution.
In-house high-precision mold fabrication and custom knurled brass/steel insert hardware design for maximum tensile anchorage.
Digitally controlled compression molding using premium raw BMC, EMC, or PF compound stock with automated temperature regulation.
Full-inspection mode covering visual appearance, dimensional tolerances, withstand voltage, micro-cracking, and torque testing prior to dispatch.
Essential for busbar isolation in primary distribution switchboards, power center transformers, and compact GIS/AIS substations operating up to 36 kV.
Supports high-frequency switching busbars within industrial VFD cabinets, neutralizing severe harmonic vibration and thermal cycling.
Engineered for DC isolation inside containerized battery storage units, providing non-combustible UL94 V-0 safety protection.
Resilient against extreme offshore humidity, salt-spray corrosion, and ambient temperature fluctuations in wind turbine nacelles and central solar inverters.
Supports high-current DC fast-charging power modules and traction power distribution systems in high-speed rail networks.
Robust standoff solutions built to survive physical shock, heavy dust accumulation, and continuous high-load industrial environments.
Flyaford operates under rigid automotive-grade and industrial quality protocols. We hold certifications for IATF 16949, ISO 9001 (Quality Management), ISO 14001 (Environmental Management), CE, and UL product certifications. All raw composite resins and finished products comply fully with RoHS 2.0, REACH, and UL 94 V-0 flammability mandates.
























Designed for low-voltage busbar separation with high compression ratings and anti-vibration brass inserts.
Engineered for elevated voltage applications requiring extended creepage distance and superior dielectric strength.
Standardized modular standoff solutions for low-voltage switchgear switchboards and control cabinets.
Versatile cylindrical profile designed for multi-angle mounting inside transformer enclosures.
Heavy-duty structural standoff insulators offering exceptional cantilever load capacity for heavy copper busbars.
Industry-standard conical geometry featuring reinforced ribbing for maximized mechanical stability under fault conditions.
Custom-molded compound units designed for harsh environmental exposure and severe thermal cycling.
T-shaped profile standoff insulators engineered for parallel busbar configuration and space-constrained enclosures.