Flyaford
Explore our top-tier precision-molded standoff insulators engineered for severe thermal stresses and demanding electrical applications.
Modern high-density electrical infrastructure—spanning low-to-medium voltage switchgears, renewable energy inverters, and battery energy storage systems (BESS)—operates under continuously rising thermal loads and mechanical fault conditions. As global electrified systems push higher power densities, selecting high-performance heatproof insulators with certified safety metrics is no longer optional; it is a critical engineering prerequisite.
Founded in 2007, ZHEJIANG FLYAFORD ELECTRON CO., LTD. has emerged as a globally recognized leader in polymer dielectric material formulation and thermosetting compression molding. Operating out of a state-of-the-art 35,000 m² smart manufacturing center in Jinhua City, Zhejiang Province, Flyaford merges deep material science research with automated Industry 4.0 production capabilities to manufacture superior BMC (Bulk Molding Compound), DMC (Dough Molding Compound), EMC (Epoxy Molding Compound), and PF (Phenolic Resin) standoff insulators.
Through established academic R&D partnerships with premier institutions including Tsinghua University, Flyaford engineers advanced insulation solutions that deliver exceptional continuous heat defiance (up to 300°C short-term peak stability), flawless tracking resistance (CTI ≥ 600V), and zero-defect mechanical retention under explosive short-circuit electromagnetic stress.
Comparative evaluation of BMC, DMC, EMC, and Phenolic compounds formulated for high-voltage dielectric isolation under high-temperature environments.
| Material Designation | Base Polymer & Reinforcement | Continuous Temp. Rating | Flame Retardancy (UL94) | Dielectric Strength | Comparative Tracking (CTI) | Primary Industrial Application |
|---|---|---|---|---|---|---|
| BMC (Bulk Molding Compound) | Unsaturated Polyester + 15-30% Glass Fiber | 140°C - 165°C | V-0 Compliant | ≥ 18-22 kV/mm | CTI ≥ 600V | Switchgear Busbar Support, SM/D-Series Standoffs |
| DMC (Dough Molding Compound) | Polyester Resin + Mineral Fillers & Cut Fibers | 130°C - 150°C | V-0 / V-1 | ≥ 16-20 kV/mm | CTI ≥ 600V | Low Voltage Distribution Panels, MNS Series |
| EMC (Epoxy Molding Compound) | Advanced Epoxy Matrix + Micro-silica Fillers | 180°C - 220°C | V-0 Self-Extinguishing | ≥ 24-30 kV/mm | CTI ≥ 600V | EV Traction Inverters, 5G Base Stations, High-Frequency BESS |
| PF (Phenolic Formaldehyde) | Thermosetting Phenolic Resin + Wood/Glass Flour | 150°C - 180°C | V-0 Compliant | ≥ 15-18 kV/mm | CTI ≥ 175V - 400V | High Arc-Resistance Circuit Breakers & Mechanical Commutators |
Unlike thermoplastics that melt under extreme thermal load, Flyaford’s thermosetting composite matrix forms permanent 3D chemical bonds during compression molding, assuring zero plastic deformation up to 300°C peak exposure.
Features precision knurled brass, steel, or aluminum inserts molded directly into the composite core. Engineered thermal expansion matching prevents internal micro-cracking and guarantees torsion resistance up to 500 N·m.
Designed with computer-modeled surface rib geometry to maximize tracking distance and eliminate surface partial discharge (tested up to 120kV), protecting critical power networks against dielectric flashover.
Versatile low-to-medium voltage heatproof insulators designed to withstand harsh continuous operation across critical global sectors.
Supporting copper and aluminum busbars inside high/low voltage switchgear cabinets (SM, D, EL series). Delivers structural rigidity against heavy mechanical shock caused by short-circuit currents.
Engineered for energy storage containerized cabinets where rapid thermal cycling and high current densities demand non-combustible UL94 V-0 flame-retardant standoff insulators.
Withstanding extreme ambient moisture, salt-mist corrosion, and high vibration in wind turbine nacelles and central solar inverter stations (SEP & SB series).
Certified under strict IATF 16949 automotive standards to isolate high-voltage power distribution units (PDUs), battery packs, and rapid charging infrastructure.
Compact, low-dielectric-loss insulating components engineered for dense outdoor 5G communications equipment cabinets and high-speed industrial robotic arms.
Providing stable electrical isolation under high harmonic distortion and pulse-width modulation (PWM) frequency switching environments.
Flyaford operates a fully integrated 35,000 m² smart factory equipped with over 60 advanced compression molding presses and 20 specialized automatic inspection units. By leveraging digital IoT production monitoring and closed-loop process parameters adjustment, we ensure real-time batch consistency across a daily production capacity exceeding 200,000 insulator units.
Our high-standard testing facilities ensure every insulator batch conforms to international CE, UL, RoHS, and REACH safety thresholds.
Verifies dielectric micro-void integrity to prevent insulation degradation under continuous high electrical field stress.
Simulates atmospheric surge spikes (1.2/50µs wave shape) to test insulation impulse withstand capability.
Subjects products to rapid temperature shifts to validate insert retention and material crack resistance.
Tests the mechanical shear and torque resistance of threaded inserts under heavy busbar installation forces.
Evaluates tensile, compressive, and flexural mechanical strength boundaries across all molded insulator series.
Damp heat (85°C / 85% RH) and aggressive salt fog chambers simulate decades of extreme tropical or offshore exposure.
Flyaford maintains strict alignment with European Union directives and global industrial requirements.
Our quality management system is fully accredited under IATF 16949 (Automotive Quality Management System), ISO 9001, and ISO 14001 (Environmental Management System). Furthermore, our complete line of heatproof standoff insulators carries full CE Certification under the European Low Voltage Directive (LVD 2014/35/EU).
All raw material compounds undergo rigorous laboratory screening for ROHS 2.0, REACH SVHC compliance, and carry UL yellow card certifications for UL94 V-0 flammability rating. We also proudly participate in annual EcoVadis sustainability auditing.




Drum-type standoff insulators designed for busbar support in switchgear panels.
Elongated creepage profile insulators for high dielectric safety environments.
Modular switchgear low-voltage insulators built for standardized power racks.
Pillar-type high strength composite insulators for dynamic electrical loading.
Busbar bridge support insulators for high ampacity power distribution grids.
Standard metric threaded standoff insulators for universal panel integration.
Severe environment protection insulators engineered for marine and offshore wind.
T-head structural insulators customized for direct busbar clamping mechanisms.
With over two decades of specialized expertise in composite polymer engineering, Flyaford delivers turnkey OEM & ODM solutions tailored to your distinct operational environments. Our dedicated engineering team collaborates directly with your CAD design teams to formulate custom compound ratios, optimize insert geometries, and manufacture precision molds.
Comprehensive evaluation of environmental conditions, voltage gradients, creepage requirements, and mechanical stress profiles to select the optimal resin matrix.
In-house mold design, hardware insert prototyping, sample production, and 100% full electrical & visual testing before mass production kickoff.
Serving global industry leaders and designated insulator supplier for Tsinghua University high-voltage research projects.






Select from our fully certified range of medium and low voltage standoff insulators engineered for long service lifespans.
In-depth technical answers addressing thermal stability, compliance standards, custom tooling, and insulation engineering.