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2025
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3M Novec 1902 Electronic Grade Coating Product Analysis
Product Overview
3M Novec 1902 Electronic Grade Coating is a single-component fluorinated polymer solution utilizing 3M Novec 7100 and 7200 Engineered Fluids as the solvent system, forming a low-viscosity, low-surface-tension transparent coating solution. Specifically designed for moisture and corrosion protection of printed circuit boards and electronic components, it dries to an ultra-thin transparent film with excellent hydrophobic and oleophobic properties. Requiring no curing process and featuring easy application, the product offers outstanding environmental and safety characteristics including non-flammability, zero ozone depletion potential, low toxicity, low global warming potential, RoHS compliance, and U.S. EPA VOC exemption status.
Physicochemical Properties Analysis
1.Optimized Application Parameters
Novec 1902 has a density of 1.43 g/ml (@23°C), a boiling point of 78°C, and no flash point, ensuring safety during storage and application. Its extremely low viscosity and surface tension allow easy application through various methods including spraying, dipping, brushing, or selective dispensing, with touch-dry achieved within minutes at room temperature.
2.Exceptional Dry Film Performance
The dried coating thickness can be controlled between 0.1-10 microns, appearing colorless and transparent. It demonstrates excellent dual-phobic properties with static contact angles of 105° (water) and 65° (hexadecane). The coating exhibits good thermal stability, maintaining performance after 24 hours at 175°C, with a glass transition temperature (Tg) of 44.5°C. Electrically, it features a dielectric constant of 3.2 (@1kHz), dissipation factor of 0.002, and dielectric strength up to 2000 V/mil, meeting insulation requirements for precision electronic applications.
Application Performance and Solutions
Comprehensive Electronic Protection
Novec 1902 provides effective protection against moisture, chemical vapor corrosion, and ion migration for PCBs and electronic components. Its low surface energy causes liquids such as lubricating oils, silicones, and photoresists to bead up and slide off coated surfaces, delivering excellent anti-wetting and anti-stiction properties.
Broad Application Adaptability
The coating serves as a convenient, economical alternative to traditional conformal coatings, suitable for display anti-migration applications, spindle motor lubrication area anti-oil contamination, and corrosion protection for various materials. It demonstrates good adhesion to multiple substrates including metals, glass, ceramics, polymers, and composite materials.
Technical Advantages and Process Benefits
Operational Convenience and Repairability
The coating requires no thermal curing and can be handled within minutes at ambient temperature, significantly improving production efficiency. For repair needs, the coating can be easily dissolved and removed using 3M™ Novec™ 72DA (preferred) or 7200 Engineered Fluids, providing valuable rework capability for electronics manufacturing.
Process Compatibility and Reliability
Excellent wettability ensures complete protective film formation even in challenging narrow spaces, effectively preventing localized corrosion due to uneven coating. The material's inherent thermal and electrical stability ensures long-term reliability for electronic products.
Novec 1902,Electronic Grade Coating
HOSCIEN TECH(TIANJIN)CO.,LTD.
Telephone:8622-2859-9761
Fax: 8622-2859-9762
Address: No.5 Juxing Road, Haihe Science Park, Jinnan District, Tianjin
Telephone:+81-(0)568-65-8079
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