Beschichtung for industrial control boards
Industrial control boards used in PCB-Montage und SMT-Bestückung operate in harsh environments that often include humidity, dust, chemicals, vibration, and temperature fluctuations. Choosing the right Konforme Beschichtung is essential to ensure long-term reliability and performance.

Best overall: polyurethane (urethane) Konforme Beschichtung
Polyurethane is one of the most commonly used coatings for industrial control boards due to its strong resistance to chemicals and environmental contaminants.
Die wichtigsten Vorteile:
- Ausgezeichnet chemische Beständigkeit (solvents, oils, fuels)
- Strong protection against moisture and corrosion
- Good mechanical durability
- Suitable for factory and industrial environments
This makes polyurethane ideal for control systems exposed to industrial pollutants and harsh operating conditions in PCB-Montage.
Best for temperature and flexibility: silicone Konforme Beschichtung
Silicone is another top choice, especially when temperature variation and vibration are significant.
Die wichtigsten Vorteile:
- Großer Temperaturbereich (-55°C bis 200°C+)
- High flexibility → resists cracking under vibration
- Good moisture and humidity resistance
- Performs well in outdoor or semi-industrial environments
Silicone is often used in industrial automation systems that experience both heat and mechanical stress in SMT-Bestückung.
High-End-Option: Parylen Konforme Beschichtung
For critical industrial applications, parylene provides the highest level of protection.
Die wichtigsten Vorteile:
- Pinhole-free, uniform coating
- Superior resistance to moisture, chemicals, and corrosion
- Excellent performance in extreme environments
However, due to higher cost and specialized processing, it is typically reserved for high-reliability or mission-critical control systems.
Other coatings in industrial use
Acryl
- Cost-effective and easy to apply
- Geeignet für mild industrial environments
- Limited resistance to chemicals and harsh conditions
Epoxidharz
- Stark und langlebig
- Good for mechanical protection
- Less suitable due to Steifigkeit und schlechte Nacharbeitbarkeit
Wie man die richtige Beschichtung wählt
- Chemical exposure (oil, solvent, factory gases) → Polyurethane (best choice)
- High temperature + vibration → Silicone
- Extreme or mission-critical environments → Parylene
- Cost-sensitive, low-risk applications → Acrylic
Endgültige Schlussfolgerung
For most industrial control boards in PCB-Montage und SMT-Bestückung, polyurethane Conformal Coating is the best overall choice due to its excellent chemical and environmental resistance. Silicone is ideal for high-temperature and vibration-prone environments, while parylene offers premium protection for critical systems.
Angebot für Conformal Coating einholen
Suchen Sie nach zuverlässigen Conformal Coating-Lösungen für Ihr PCBA-Projekt? Klicken Sie unten, um ein schnelles Angebot zu erhalten.
Senden Sie uns Ihre Anforderungen und erhalten Sie eine schnelle Antwort von unserem technischen Team.
✔ 24-Stunden-Reaktion ✔ Technische Unterstützung ✔ Klein- und Massenproduktion
Shenzhen Tengxinjie Electronics Co, Ltd.



