EP1S-710058 · Graphite Grey · Epoxy
PRICE PER KG
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Description
EP1S is a pure epoxy insulating powder coating for high-voltage electrical components, with a focus on dielectric withstand performance and insulation reliability in battery and energy-storage systems. The product provides high insulation resistance and voltage-withstand capability, and supports 150°C low-temperature curing, fluidized-bed dip coating and repeated coating for high-build insulation applications.
Key Features
Best Suited For
| Parameter | Value |
|---|---|
| Chemistry | Epoxy |
| Surface Effect | smooth matt |
| Color Values | LAB: 37.2, -0.53, -3.07 RGB: 84, 88, 92 |
| Gloss at 60° | 30–40 GU |
| Particle Size D50 | D₅₀: 30–45 μm; adjustable according to the coating application and product design |
| Film Thickness | 60–500 μm; application method and film thickness shall be agreed according to the application design requirements |
| Parameter | Value |
|---|---|
| Curing Conditions | 200°C × 10 min (workpiece temperature); low-temperature-curing products down to 150°C can be customised |
| Application Guidelines | Suitable for manual or automatic electrostatic spray application. Other application methods, such as tribostatic spraying or electrostatic fluidized-bed coating, must be specified in advance. |
| Test | Result | Standard |
|---|---|---|
| Initial Adhesion | Pass, GT0 | ISO 2409:2020 |
| Impact Resistance | 50 kg·cm, no obvious cracking (direct impact) | GB/T 1732 |
| Conical Bend | 5 mm, no obvious cracking | ISO 6860:2006 |
| Shear Strength | ≥15 MPa | ISO 4587:2003 |
| High-temperature/high-humidity test (1000 h) | No obvious coating discolouration, blistering or detachment; dielectric withstand-voltage requirements are still met | 85°C/85%RH |
| Thermal shock (500 cycles) | No obvious coating discolouration, blistering or detachment; dielectric withstand-voltage requirements are still met | -40°C to 85°C (2 h/cycle, 5-minute transition) |
| Neutral salt spray (1000 h) | No obvious coating discolouration, blistering or detachment; dielectric withstand-voltage requirements are still met | ISO 9227:2017 |
| Dielectric Withstand Voltage | ≤0.1 mA | DC 3800 V, 60 s |
| Insulation Resistance | ≥1000 MΩ | DC 1000 V, 60 s |
| Dielectric Strength | ≥35 KV/mm | IEC 60243-2:2013 |
| Surface Resistivity | ≥10¹⁴ Ω/sq | GB/T 1410 |
| Volume Resistivity | ≥10¹⁴ Ω·cm | GB/T 1410 |
Discuss your substrate, pretreatment and curing conditions with our technical team.
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