HumiSeal suitable for automotive electronics

Yes, HumiSeal conformal coating, manufactured by Chase Corporation, is widely used and highly suitable for automotive electronics. It is specifically designed to protect PCBs from the harsh environmental conditions commonly found in vehicles.

Why automotive electronics need conformal coating

Automotive PCBs operate in challenging environments that include:

• Wide temperature ranges (−40°C to +150°C)
• High humidity and condensation
• Exposure to salt spray, oil, and chemicals
• Constant vibration and mechanical stress

Without protection, these factors can lead to corrosion, short circuits, and premature failure in PCB Assembly and SMT Assembly.

Why HumiSeal is a good choice

HumiSeal coatings offer several advantages for automotive applications:

Strong environmental protection

• Excellent resistance to moisture, salt, and contaminants
• Prevents corrosion of copper traces and solder joints

Thermal stability

• Silicone-based HumiSeal coatings perform well under extreme temperatures
• Maintains flexibility during thermal cycling

Chemical resistance

• Urethane coatings resist fuels, oils, and solvents commonly found in vehicles

Electrical insulation

• High dielectric strength protects against leakage and short circuits

These properties make HumiSeal reliable in Turnkey PCB Assembly for automotive systems.

Compliance with automotive-related standards

Many HumiSeal coatings meet key industry standards such as:

• IPC-CC-830 (performance qualification)
• UL certifications for safety
• RoHS and REACH for environmental compliance

These certifications are essential for automotive electronics supply chains.

Typical automotive applications

HumiSeal is commonly used in:

• Engine control units (ECUs)
• Sensors and control modules
• LED lighting systems
• Infotainment and dashboard electronics
• Battery management systems (BMS) in EVs

Best coating types for automotive

• Silicone coatings → best for high temperature and flexibility
• Urethane coatings → best for chemical resistance
• Acrylic coatings → cost-effective for less demanding areas

Conclusion

HumiSeal is an excellent choice for automotive electronics due to its durability, environmental resistance, and compliance with industry standards. In PCB Assembly, SMT Assembly, and Turnkey PCB Assembly, it plays a critical role in ensuring long-term reliability under harsh automotive conditions.

Get a Conformal Coating Quote

Looking to outsource conformal coating services? Get in touch with our team.
Send us your requirements and get a fast response from our engineering team.

✔ 24-hour response    ✔ Engineering support    ✔ Small & Mass Production

Please enable JavaScript in your browser to complete this form.

WhatsAPP Name Preferred

Name *

Email *

WhatsAPP

Preferred Material

• Acrylic (AR)
• Silicone (SR)
• Polyurethane (UR)
• UV Curable - UV
• I'm not sure / Need advice

File upload

Drag & Drop Files, Choose Files to Upload You can upload up to 8 files.

Please compress all Gerber files, Drill files, and BOM into a single .ZIP or .RAR file for faster processing.

Message

"Please list components or areas that must NOT be coated (e.g., connectors, test points)." If you have specific coating material requirements (e.g., HumiSeal), Please indicate this in the comment box.

Submit

Shenzhen Tengxinjie Electronics Co., Ltd.