Dowsil SE 4430 A delivers fast room-temperature curing and outstanding adhesion to PCBs, components and common electronic substrates. The transparent silicone coating offers superior dielectric strength, thermal stability and resistance to harsh industrial environments. It remains flexible over time, tolerating thermal cycling without cracking or delamination.

• Type: Silicone conformal coating

• Cure Method: Room temperature cure

• Appearance: Clear transparent

• Temp Range: -55℃ ~ 200℃

• Dielectric Strength: ≥21 kV/mm

• Key Property: PCB protection, moisture & chemical resistant

• Package: 2kg

• Clear Conformal Coating – Transparent film allows visual inspection of PCB circuits and components.

• Room Temperature Curing – Self-cures at ambient temperature, no oven heating required for production.

• High Dielectric Insulation – Provides reliable electrical isolation to prevent short circuits and leakage.

• Thermal Cycle Resistant – Withstands repeated temperature changes without peeling or cracking.

• Moisture & Chemical Resistant – Shields circuits from humidity, dust, salt spray and mild chemical exposure.

• PCB Conformal Coating – Protective insulation coating for industrial and consumer printed circuit boards.

• Automotive Electronics Protection – Shields vehicle control modules, ECU and sensor circuits.

• Industrial Control Boards – Protects PLC, relay and automation control system electronics.

• Consumer Appliance Circuitry – Coats internal boards of home electrical devices for long service life.

• Aerospace & Instrument Electronics – Safeguards precision instruments under humid and temperature-varying conditions.