Urethane Conformal Coating – 55mlProtect Your Circuit Boards with MG Chemicals 4223F Urethane Conformal CoatingThe MG Chemicals 4223F Urethane Conformal Coating is designed to give everyday users and hobbyists professional-level protection for printed circuit boards and electronics. This high-performance urethane conformal coating shields your projects from moisture, corrosion, dirt, dust, thermal shock, and chemical exposure. Give your electronics long-lasting durability and peace of mind with a trusted formula ideal for DIY repairs, custom circuit projects, and small batch work.MG Part Number: 4223F-55MLEasy to Use and Fast DryingWith MG Chemicals urethane conformal coating, you can brush, dip, or spray on a smooth, flexible finish. The included applicator brushes make it simple to cover small PCBs or touch up repairs. It dries fast—the board can be handled in just 30 minutes, and full cure is achieved in 24 hours at room temperature. Thinning is easy with MG Chemicals Thinner.Reliable Circuit Board Protection Protects against moisture, corrosion, and thermal shock Resistant to oils, water, salt spray, acids, and alkali Superior abrasion resistance for longer-lasting protection Fungicidal and meets strict MIL-V-173C-2 standards UV indicator for quick inspection Perfect for electronic components, motors, relays, transformers, and solenoids Technical Specifications Appearance: Clear Amber Contains: 55ml bottle (2 fl oz) with 2x applicator brushes Cure Times: Handle in 30 minutes at room temperature Full cure: 24 hours at 20°C (68°F) or 60 minutes at 65°C (149°F) Temperature Rating: Class F (up to 160°C / 320°F) Service Range: -40°C to 155°C (-40°F to 311°F) Electrical Insulation: Dielectric strength 1800V/mil (dry); 1200V/mil (wet) Build Thickness (D.F.T.): 1.0 – 1.5 mils Viscosity: 44–55 sec (Dolph viscosimeter at 30°C) Specific Gravity: 0.94 g/ml Chemical Resistance: Excellent to water, acid (10% sulfuric), alkali (1% sodium hydroxide), salt water, oil Meets Standards: IPC-CC-830B, UL 746E, MIL-V-173C-2 Fungus Resistance: Passed (Aspergillus Niger, Aspergillus Flavus, Penicillium Funiculosum, Trichoderma SP) VOC Content: 4.75 lbs/gal Why Choose MG Chemicals Urethane Conformal Coating? Trusted for professional and DIY PCB protection Certified UL 746E (File# E203094) Easy application with brush, dip, or spray Ideal for quick repairs and small projects Smooth, flexible, and scratch-resistant finish Fluoresces under UV for easy inspection Removable for repair or rework Quick Application Guide Ensure clean, dry surface before applying. Apply using supplied brushes, by dipping, or with a spray bottle. Allow to dry for 30 minutes before handling. For full cure, wait 24 hours at room temperature or 1 hour at 65°C. For more information, technical data, and larger size options, visit the official MG Chemicals 4223F Urethane Conformal Coating page.Note: This product cannot be shipped by air — ships UPS Ground only.
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