Busbar Epoxy Coating
Products Description
Unlike traditional bushings or encapsulated insulation, Busbar Epoxy Coating, through an integrated "materials + process" design, directly forms a continuous, seamless insulating protective layer on the busbar surface, possessing the following structural features:
Integral Encapsulation Structure: Seamless and splice-free, avoiding localized electric field concentration.
Tight Adhesion: The coating forms a high adhesion interface with the copper/aluminum substrate.
Thin-Layer High-Strength Insulation: Achieving high insulation performance with a relatively thin layer.
Adaptability to Complex Structures: Suitable for bent, punched, and irregularly shaped busbars.
This structure makes it particularly suitable for UPS and server power systems with compact spaces and high power density.
Key Functions
Electrical Insulation Protection
Effectively isolates phase-to-phase and phase-to-ground connections, achieving high-safety current distribution.
01
Enhanced Environmental Resistance
Resists humidity, dust, and chemical corrosion in the computer room, extending the Tin-Plated Insulated Bus Bar service life.
02
Optimized Thermal Management
The coated surface promotes convection heat dissipation, reducing temperature rise under high loads.
03
Improved Installation Ease
Pre-reserved terminal design simplifies on-site assembly and reduces secondary insulation treatment.
04
System Safety Hardening
Flame-retardant and arc-resistant properties provide an additional layer of fault protection for the UPS.
05
Detailed Showcase: The Art of Craftsmanship Revealed in the Micrometers
| Precise Avoidance and Protection of Threaded Holes | If the powder solidifies in the mounting threaded holes on the Insulated Copper Bus Bar, subsequent bolts cannot be screwed in. Before spraying, we use specially made high-temperature silicone microporous plugs to protect the hole positions. After spraying, these plugs are removed, leaving an extremely rounded R-corner transition coating on the inner edge of the hole, ensuring absolute cleanliness of the threads and eliminating sharp metal angles. |
| Perfect Edge Chamfering | The punched and sheared edges of the Epoxy Powder Coating Insulated Copper Busbar are extremely sharp and are where the electric field is most concentrated. Our process prevents the coating from "thinning" or "sagging" at the edges, instead forming a full, curved edge, completely "softening" the metal's sharpness with insulating material. |
| Ultimate Unity of Surface Gloss and Smoothness | A high-quality product surface should be as smooth as a mirror, free of orange peel texture and impurities. This extremely high smoothness is not only for aesthetic purposes, but also to prevent dust from adhering and accumulating on rough surfaces, thus disrupting the conditions for creepage formation at the source. |
Material Advantages: Reasons for Choosing Specialty Epoxy Resin
Optimized Thermal Conductivity
Our specialty powder not only provides insulation but also boasts a higher thermal conductivity than ordinary plastics, facilitating rapid heat dissipation from the Powder Coating Cu Busbar's interior and effectively reducing temperature rise.
Low Water Absorption
Even in high humidity environments, the coating exhibits extremely low hygroscopicity, preventing a decrease in insulation resistance due to moisture penetration.
High Adhesion
Peel tests demonstrate that the coating's adhesion to the metal substrate reaches engineering-grade extremes, making Busbar Coating Powders resistant to breakage even under heavy impact.
contact us
If you are looking for a Powder Coating EV Busbars solution with stable batch production capabilities and mature process control, we can provide customized coating services with high consistency and engineering matching based on your drawings and application scenarios.
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