Low VOC Conformal Coating

Low VOC Conformal Coating refers to protective coatings used in PCB Assembly and SMT Assembly that contain low levels of volatile organic compounds (VOCs). These coatings are designed to reduce harmful emissions during application and curing, making them more environmentally friendly and safer for workers.

What are VOCs in Conformal Coating

VOCs (volatile organic compounds) are chemicals that easily evaporate into the air during coating application. Traditional solvent-based Conformal Coating materials release higher VOC levels, which can:

• Contribute to air pollution
• Pose health risks to operators
• Require strict ventilation and regulatory compliance

Low VOC coatings minimize these issues by using alternative formulations.

Types of low VOC Conformal Coating

Water-based coatings

• Use water instead of solvents
• Very low VOC emissions
• Environmentally friendly
• May require longer drying time

100% solids coatings

• Contain no solvents → near-zero VOC
• Cure via UV or heat
• Common in advanced SMT Assembly lines

UV-curable coatings

• Fast curing with minimal emissions
• High production efficiency
• Widely used in automated PCB Assembly

Advantages of low VOC Conformal Coating

Environmentally friendly
Reduces air pollution and meets global environmental regulations such as RoHS and REACH.

Safer for workers
Lower emissions improve air quality in manufacturing facilities.

Regulatory compliance
Helps manufacturers comply with strict environmental laws, especially in Europe and North America.

Improved process efficiency
UV and solvent-free coatings can speed up curing and reduce production time in SMT Assembly.

Disadvantages of low VOC coatings

Higher material cost
Some low VOC formulations (especially UV or parylene) are more expensive.

Process adjustments required
May need specialized curing equipment (e.g., UV systems).

Performance trade-offs (in some cases)
Certain water-based coatings may offer slightly lower protection compared to traditional solvent-based options.

Applications in electronics manufacturing

Low VOC Conformal Coating is increasingly used in:

• Automotive electronics
• Industrial control systems
• Consumer electronics
• Medical devices

It is especially important for manufacturers focusing on green production and sustainable PCB Assembly processes.

Final conclusion

Low VOC Conformal Coating is a modern, environmentally friendly solution that reduces harmful emissions while still providing effective protection for electronic circuits. As environmental regulations become stricter, these coatings are becoming the preferred choice in PCB Assembly and SMT Assembly for sustainable and compliant manufacturing.

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.

Name

Email *

WhatsAPP

Material File Preferred

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 mention it in the message box below.

Submit

Shenzhen Tengxinjie Electronics Co., Ltd.