Polyurethane Conformal Coating for PCB
What is polyurethane conformal coating for PCB?
Polyurethane (PU) conformal coating is a protective material used on printed circuit boards (PCBs) to safeguard them from environmental factors such as moisture, dust, chemicals, and temperature variations. Made from polyurethane resins, this coating forms a durable and tough barrier, providing excellent protection for PCBs used in harsh environments.
N-PU 5103M is one part, UV and moisture dual cure, conformal coating. This product could cure rapidly when exposed to UV light, the shadowed areas would fully cure under moisture atmosphere.
Product Features of Polyurethane Conformal Coating for PCB
- Excellent adhesion to FPC and PCB.
- Easy to apply in automatic or manual processes, dipping, spraying or brushing.
- Fluoresces under ultraviolet light.
- Excellent electrical properties and flexibility.
- Excellent resistance to environment.
- Rework
MCOTI Polyurethane Conformal Coating for PCB Recommendations
Typical Products N-PU 5103M:
|
Chemical Type |
Modified Polyurethane |
|
|
Composition |
||
|
Color |
Transparent |
|
|
Solids Content |
|
100% |
|
Viscosity @ 25OC |
mPa・s |
120 |
|
Density |
g/cm3 |
0.98 |
|
UV Curing UVA at 100mW/cm2 using high pressure mercury UV Lamp |
mJ |
2000 |
|
Moisture Cure at RT |
DAY |
2-3 |
|
Hardness ASTM D3359 |
5B |
|
|
Dielectric strength ASTM D149 |
KV/mm |
16 |
|
Flammability |
UL-94 |
Applications of Polyurethane Conformal Coating for PCB:
- Automotive Electronics: Protecting control units, sensors, and other electronic components.
- Consumer Electronics: Providing reliability in devices exposed to varying conditions.
ISO System Certificate
ISO 9001
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