Electro Casting Resins

Electrocasting resins are key to the further development of numerous industries such as automotive, energy, automation and white goods.

PTIL one- or two-component electro-casting resins increase the reliability and performance of your parts while ensuring their cost efficiency and longevity. They provide reliable and efficient protection to your parts (transformers, control units, inverters, motors, sensors, etc.) against chemicals, environmental effects such as heat, cold and humidity.

Customers using our polyurethane (RAKU® PUR), epoxy (RAKU® POX) and silicone (RAKU® SIL) based electro-casting resins include leading manufacturers in the automotive and electronics industry.

PTIL electro-casting resins have a wide range of mechanical, thermal and chemical properties. It provides low thermal stresses by removing the heat from your parts in the most efficient way.

Even with extreme temperature changes, our casting resins retain enough flexibility to relieve stress on your parts.

Our premium electro-casting resin products are complemented by the extensive application expertise of PTIL, one of the world's leading experts in mixing and dosing systems.

Material, machine and process; Benefit from PTIL's high-quality full service.

Our advantages

 High mechanical and thermal resistance ensures long-term functionality of your application

 More than 35 years of experience in developing and manufacturing innovative electro-casting resins

 High thermal conductivity

 Our products are RoHS and UL 94, RTI, OBJS2 etc. conforms to test standards / listings.

 Wide application areas thanks to innovative, customized product development

 Wide range of features optimized for your needs

 High resistance to temperature fluctuations

 Use by leading manufacturers in the automotive and electronics industry

Applications

Sensors

Switches

Sensors

Drivers

Engines

Relays

Relays

Door Closing / Locking Units

Electronic Components

White Goods

Charging Connector for Electric Vehicles

Power and Control Units

Transformers

Which Electro Casting Resin is Most Suitable for You

Polyurethane (RAKU®PUR)

Chemical Reaction
  • Two component formulas
  • Polyaddition reaction
  • Minimal exothermic reaction
  • Curing at room temperature
  • Curing conditions can be flexibly adjusted by adding a catalyst
  • Low shrinkage pressure in castings
operating temperatures
  • Temperature Range: long term -60 to +155 °C, short term: +160 °C
  • Very wide range of mechanical properties
Features
  • Excellent resistance to temperature fluctuations for sensitive components
  • High crack resistance for flexible products
  • good chemical resistance
  • Low water permeability
  • Impressive electrical properties
  • Tg: -75 to +120 °C
  • RTI: to 155 °C
  • OBJS2
Adhesion
  • Good adhesion to body and components
  • Good adhesion to PA, PBT and ABS components
flame retardant
  • UL 94 V0

Epoxy (RAKU® POX)

Chemical Reaction
  • Single or double component (1K or 2K) formulas
  • Homopolymerization (1K) and polyaddition reaction (2K)
  • Curing at room temperature
  • Curing accelerated by temperature
  • Heat cure for one component and hot cure epoxy
  • Good impregnation properties
  • Low sensitivity to moisture
Operating Temperatures
  • Temperature range: long term: -40 to +180 °C, Short term: +200 °C
Features
  • High thermal dimensional stability
  • Low coefficient of thermal expansion
  • High dielectric strength
  • High resistance to fuels
  • Low water absorption and low water vapor permeability
  • Tg: -20 to +180 °C
  • OBJS2
Adhesion
  • Good adhesion to metals
flame retardant
  • UL 94 V0

Silicone (RAKU® SIL)

Chemical Reaction
  • One or two component formulas
  • Polyaddition and polycondensation reaction
  • Minimal exothermic reaction
  • Curing at room temperature
  • Curing times that can be accelerated by applying heat
  • Curing without by-product (polyaddition reaction)
  • Low shrinkage pressure in castings
  • Low sensitivity to moisture
  • hydrophobic
operating temperatures
  • Long term: -60 to +200 °C, short term: +250 °C
  • Optimal physical properties over all application temperature ranges
Features
  • Very good resistance to temperature fluctuations
  • High crack resistance
  • Very good chemical resistance
  • Very low water absorption
  • Very good UV resistance
  • Tg: always < 0 °C
Adhesion
  • Very good adhesion to mineral surfaces
Flame Retardant
  • UL 94 V0