8503 + 8901

2-components polyurethane casting resin, solvent-free system and electrically insulating, very high thermal conductivity, no metallic fillers, excellent adhesive properties, no halogenated flame-retardants, ideal for heat-reduction of winding goods, electric motors, accumulators, and high-performance components, TIP: Design variations of effective cooling elements, good combination with Kisling’s LED-casting resins


Electric Motor Encapsulation

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Product categoryEncapsulants
Chemical basePolyurethane
Colornatural (beige)
Density [g/cm3]2.20 – 2.30
Mixing ratio100 : 8 (W:W)
Viscosity [mPas]5 800 – 6 500
Pot life [min]25 – 35
Shore hardness
(DIN EN ISO 868)
D40 – 50
Temperature range [°C]-50 – +165
Curing conditionscold curing
Thermal conductivity [W/mK]1.5
Glass transition temperature [°C]10
CTE < Tg [ppm/K]72,5
CTE > Tg [ppm/K]141,7
UL94V0, 1,5mm

Safety data sheet


Technical information

Technical data sheet
Instructions for use

More information

Focus Flyer E-Mobility
Overview Encapsulants
Overview Brochure


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