30211/40008 Urethane Potting System is a black, polybutadiene based, flexible, flame retardant urethane that is UL listed for 94 V0 and 5VA at 1/4” in file number E211862. Has a superior “0” rating for HWI, HAI & CTI. .
Designed for ambient cured applications requiring good hydrolytic stability, flame retardancy and flexibility. Designed for potting stress sensitive electronics (SMT). The low initial viscosity and long gel time make this a viable system for automated production. Service temperature range from -60oC to 130oC.
Gel Time (Shyodu)
Density, lbs./gal. (specific gravity)
Hardness, Shore A
Tg, Glass Transition Temperature - 63ºC
Dielectric Strength, volts/mil 350
Volume Resistivity 4.2 X 1012
Dielectric Constant, 1k Hz 5.14
Dissipation Factor, 1k Hz 0.040
Comparative Tracking Index (CTI) 0
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Last Modified: March 28, 2015