MG Chemicals 419D Premium Acrylic Lacquer is a professional acrylic conformal coating that protects electronic circuit boards against moisture, oxidation, salt fog, chemical vapors, and environmental effects. The product is available in various packaging options to meet maintenance, R&D, and low- to high-volume production needs.
419D-55ML – 55 mL
Suitable for small-surface PCBs, prototype work, and quick repair applications.
Preferred for fine-detail brush coating applications.
419D-340G – 340 Gram Aerosol
Used in maintenance processes requiring fast, uniform spray coating.
Ideal for prototype preparation, service repair, and field work.
419D-1L – 1 Liter
Suitable for small-scale production, R&D labs, and maintenance services.
Supports brush, dip, and spray gun applications.
419D-4L – 4 Liter (Gallon Type)
Commonly used in medium-scale electronics production lines.
Compatible with dip tanks and manual spray systems.
419D-20L – 20 Liter Industrial Drum
Designed for high-volume PCB manufacturing facilities.
Can be used on continuous production lines and automatic coating machines.
Acrylic resin-based, single-component formula
Fast-drying, clear, and glossy top coat
UV-traceable additive allows easy coating inspection
Provides high dielectric strength
Resistant to chemicals, moisture, and oxidation
Forms a film layer resistant to thermal cycling
Can be removed with solvents for easy rework
Strong adhesion to PCB surfaces
Offers long-lasting protective performance
High insulation resistance
Maintains isolation even in humid environments
Stable performance across a wide operating temperature range
Aerosol spray (for 340G)
Manual spray gun
Brush application
Dip coating
Automatic conformal coating equipment
The surface to be coated must be free of dust, oil, and contaminants. The product should be applied in thin layers, with a second coat applied after the first has dried if necessary.
PCB manufacturing and repair
Automotive electronic modules
Industrial control systems
Telecommunication boards
Sensor circuits and IoT applications
Electronics exposed to high humidity
R&D labs and prototype work
Coating can be easily removed with acrylic solvents
Modifications and component replacements can be performed quickly
Re-coating can be applied after repairs
55ML: Small PCB surfaces, detailed coating, quick repair
340G: Fast application and maintenance via aerosol
1L: Small production runs and laboratory use
4L: Medium-scale industrial applications
20L: High-volume production lines and automated systems
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