Description
MG Chemicals 419C-340G Fast Drying Acrylic Conformal Coating – Closeout Special, 12 oz Aerosol
MG Chemicals 419C-340G is a one-part, fast-drying acrylic conformal coating in a 340 g (≈ 12 oz) aerosol can. This economical, discontinued “closeout” offering provides a durable, flexible, crystal-clear finish that protects electronic assemblies from moisture, dust, corrosion, and static discharge. Availability is limited to stock on hand; once sold out, this closeout special will no longer be offered.
Tri-Tek Electronics is an authorized MG Chemicals distributor, guaranteeing genuine product, full manufacturer warranty coverage, best pricing, and factory-backed support. Visit our Mesa, AZ retail location for immediate pickup and personalized application advice.
Key Features & Benefits
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Super fast cure—touch-dry in minutes to reduce production and maintenance bottlenecks
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No Hazardous Air Pollutants—formulated without toluene or xylene for safer handling
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IPC-CC-830B qualified for high reliability in electronics protection
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UL 94 V-0 flame retardant to meet stringent safety standards
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Crystal-clear, smooth finish with UV fluorescence for easy visual inspection
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Easy repair and rework—solderable through coating; removable with compatible thinner or stripper
Specifications
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Container: 340 g aerosol can (≈ 12 oz)
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Coating Type: Fast-drying acrylic lacquer
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Dry Film Thickness: 20–30 µm per coat
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Temperature Range: –40 °C to 125 °C (operating)
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Recoat Interval: ≥ 15 minutes between coats
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Full Cure Time: 24 hours
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Shelf Life: 3 years at room temperature
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Compliance: RoHS, IPC-CC-830B, UL 94 V-0
Typical Installation & Usage Scenario
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Surface Preparation: Clean the PCB or substrate with isopropyl alcohol to remove oils and contaminants.
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Application: Shake the can vigorously for two minutes. Hold 20–30 cm from the surface and apply thin, even coats.
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Layering: Allow at least 15 minutes between coats to build up 20–30 µm dry film thickness per pass.
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Curing: After the final coat, let the assembly sit at room temperature for 24 hours for full cure.
Ideal for use in high-moisture environments such as automotive electronics, telecommunications equipment, and industrial control systems. Its rapid cure and easy rework make it perfect for production lines and field maintenance where minimizing downtime is critical.
