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RoHS Compliant Acrylic Lacquer Conformal Coating
419B
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Acrylic Conformal Coating is a durable finish product that provides an all round protective coating for printed circuit boards against moisture, corrosion, and thermal shock. It protects and insulates electrical and electronic components and assemblies, including generators, motors, transformers, relays, and solenoid coils. For spraying, liquid can be thinned using M.G. Thinner Cleaner. Thin up to one half part thinner to one part coating. Also available in a micro tip pen format.

Specifications

Standards IPC-TM-650
(dielectric withstand test)
IPC-CC-830
(humidity withstand test)
Specification Test Method Result
Viscosity   50-55, 20-25 Sec.s NBR
Dielectric Strength   1500 V/mil
Dielectric Constant ASTM-D-150-98 3.25
Dissipation Factor ASTM-D-150-98 0.022
Volume Resistivity ASTM-D-257-99 8.72 x 1015 ohm · cm
Surface Resistivity ASTM-D-257-99 >2.8 x 1017 ohm · cm
Moisture Resistance IPC-TM-650, method 2.6.3.4 PASS (1500 VDC)
Dielectric Withstanding Voltage IPC-TM-650, method 2.6.7.1 PASS (1500 VDC)
Service Temperature Limit   105 °C (221 °F)
Tack free time   10 minutes at 20 °C (68°F)
Recoat time   2 minutes at 20 °C (68°F
Full cure   24 hours at 20 °C (68°F)
Solids by volume   18%
Solids by weight   25%

Available Sizes

Catalog NumberSizes AvailableDescription
419B-55ML55ml (2 oz)Bottle
419B-340G 340g (12 oz) Aerosol
419B-1L1L (1 quart)Liquid
419B-4L 4L (1 gal) Liquid
419B-20L20L (5.3 gal)Liquid