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Electronics news

Silicone conformal coating on printed circuit boards

Conformal coatings provide a protective barrier that thinly envelops all PCB assemblies, protecting them from environmental hazards and increasing product reliability and life.

Advantages of silicone coating:
- Repels moisture. Hydrophobic silicone prevents water absorption, which reduces the risk of corrosion.
- Withstands extreme temperatures from -60°C to 200°C.
- Elasticity and shock absorption. Elastic silicone absorbs vibrations and protects against mechanical damage from drops and impacts.
- Resistance to chemicals/solvents. Chemically inert silicones are resistant to fuels, oils and cleaning agents. Only certain substances such as strong acids/alkalisers destroy their properties.

The combination of moisture resistance, thermal stability, damping properties and chemical resistance make silicone coatings indispensable.