2026-09-15
As the global EV fleet expands, demand for charging piles — and for the silicone potting compound inside them — is rising fast. Procurement teams face a familiar challenge: the market is crowded, quotations vary widely, and the lowest price is rarely the safest choice. This checklist helps B2B buyers evaluate suppliers and understand why a Guangdong potting compound factory is often the most stable long-term partner.
Charging pile designs differ: AC slow chargers, DC fast chargers, and high-power liquid-cooled units place very different demands on encapsulation. Before requesting quotes, define:
| Question | Why It Matters |
|---|---|
| What is the thermal conductivity grade? | Determines heat dissipation and module life. |
| What is the pot life and cure profile? | Affects production line speed and yield. |
| Hardness and elongation (Shore A)? | Controls stress on components and connectors. |
| Certifications available? | UL, RoHS, REACH support market entry. |
| Can you customize viscosity, color, cure time? | OEM/ODM flexibility for your design. |
Guangdong province anchors China's electronics and new-energy supply chain. Its dense ecosystem of raw-material suppliers, precision machinery, and skilled engineers allows factories to iterate formulations quickly and scale production for export. For buyers, this translates into competitive pricing, short lead times, and mature logistics — provided you work with a genuine manufacturer, not a reseller.
Shenzhen Hanast New Material Co., Ltd. manufactures RTV-2 liquid silicone and potting compounds from a 40,000㎡ base established in 2010. With 70–80% of output exported and clients including ABB, Apple, Foxconn, and BYD, Hanast combines in-house formulation, OEM/ODM flexibility, and proven export reliability — a dependable Guangdong potting compound factory for charging pile projects.
Send us your charging pile specifications and target certifications. We will recommend the right silicone potting compound grade, provide samples and data sheets, and support your qualification process from first article to mass production.