Silicone protective varnish 422B/422C from the American company MG Chemicals is a flexible coating of acrylic-silicone mixture, designed to protect printed circuit boards from corrosion, moisture, short circuit and thermal shock.
This product is an original product of MG Chemicals. For convenience, it is packaged in small 50ml containers and sealed with a seal.
Features
Protects against acids, salts, mold, corrosive fumes, alkalis, alcohol, moisture and mechanical damage.
The coating is ideal for high temperature applications up to 200°C
Maximizes waterproofing of components, contact pads, soldering points
Excellent corrosion resistance - tested in salt environments without oxidation or damage to the coating
Easy to apply and process in just 8 minutes
Glows under UV light, easy to control the quality of application
Forms a flexible surface with a thickness of 25-50 microns, can be applied in several layers
Can be removed with special solvents
Can be diluted with solvent 435. Dilution ratio: 1 part of solvent to 2 parts of varnish.
Does not emit toxic fumes during soldering and heating, does not contain phenols and isocyanates.
Characteristics
422B (older version)/ 422C (updated version)
Capacity: 50ml ±5%
Color: transparent
Flammability class: UL94 V-0 certified
Operating temperature: -40 to - 200 °C
Storage temperature: -5 to - 40 °C
Fast drying - 10 min tack drying time; complete drying in 20 min at 65ºC.
Fluorescent under UVA radiation
Protects against corrosion
Recommendations
The best lacquer results will be obtained if the components or products have a clean, dry surface, free of dirt, moisture and organic residues.
At room temperature, the lacquer cures within 6-8 minutes and full curing is achieved in 24 hours. Curing can be accelerated by moderate heating. Undried varnish may cause a short circuit
CAUTION: Use in a well-ventilated room. Avoid contact of the varnish with skin or mucous membranes. Avoid contact with the environment.
Brand: MG ChemicalsSKU 14499
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