Polyurethane Conformal Coating
CAS Number: 9009-54-5
Polyurethane conformal coating delivers superior chemical resistance and abrasion resistance compared to acrylic alternatives, making it ideal for harsh industrial and automotive environments. It forms a tough, flexible film with excellent moisture and solvent barrier properties. Both solvent-borne and water-borne formulations are available to meet varying VOC and application requirements.
Technical Specifications
| viscosity | 30–200 cP |
| appearance | Clear to slightly hazy liquid |
| solidsContent | 25–40 wt% |
| dryFilmThickness | 25–75 µm |
| chemicalResistance | Excellent to fuels, lubricants, and solvents |
| operatingTemperature | -55°C to +130°C |
Applications
- Automotive electronics and sensors
- Industrial control and automation boards
- Marine and outdoor electronics
- Chemical plant instrumentation
- Military electronics requiring abrasion resistance
Key Features
- Superior chemical and abrasion resistance
- Excellent moisture and humidity barrier
- Good adhesion to most PCB substrates
- Available in water-borne low-VOC formulations