PU and epoxy resins are widely used for electrical and electronic potting and encapsulation, as resin transformer, capacitors, cable jointing, LEDs lighting, circuit boards. 

Polyurethane systems

code	description	potlife [mins]	hardness [shore]	thermal conductivity [W/m/°C]	Fire behavior	technical data sheet
PU8682	Flame retardant, flexible polyurethane system with good thermal conductivity and thermal shock resistance.Designed for PCB’s transformers, filter, capacitors, voltage regulators, pressure sensitive devices and in others several electrical applications.	90	82 A	0.5	UL94 V0
PU8500	Transparent, UV stable, low tear resistance. Designed for LEDs and electronic circuits encapsulation	24	60 A	-	-
PU8593	Transparent, hard, UV stable aliphatic polyurethane system. Designed for walkable LEDs	15	93 A	-	-
PU8130	Two-component filled casting polyurethane, fast curing. Low shrinkage, easy to work, self-extinguishing.	3	80 D		UL94 V0
PU8160	Self-extinguishing, long pot life polyurethane casting system. Designed for vacuum embedding of low and medium voltage measuring transformers up to 36kV.	45	70 D	0.6 - 1.0	UL94 V0

Epoxy systems

code	description	potlife [mins]	hardness [shore]	thermal conductivity [W/m/°C]	dielectric strength [kV/cm]	technical data sheet
EP4622	Flame retardant, good dielectric properties, excellent thermal shock resistance, high thermal conductivity, casting system.	40	86 D	0.67	28
EP6004 1KHC	One-component epoxy system characterized by low viscosity and shelf life greater than three months, medium temperature curing. The polymer shows a high resistance to thermal cycles and high dielectric properties. Particularly suitable for impregnation of electrical windings such motors, coils, transformers; coatings in general and component encapsulations.	>90 days	85 D -	-	>22