Polyurethane (RAKU^® PUR)

Chemical reaction

• Two-component
• Polyaddition reaction
• Minimal exothermic reaction
• Cures at room temperature
• Curing conditions can be flexibly adjusted by adding a catalyst
• Low shrinkage pressure on cast components

Area of application

• Temperature range: -60 to +155 °C, short-term: +160 °C
• Wide range of mechanical properties, from tough to highly elastic

Properties

• Excellent resistance to fluctuations in temperature for sensitive components
• High crack resistance for flexible products
• Good chemical resistance
• Low water absorption
• Impressive electrical properties
• Tg: from -75 to +120 °C
• RTI: to 155 °C
• OBJS2-listed

Adhesion

• Good adhesion to housings and components
• Good adhesion to plastics such as PA, PBT, and ABS

Flame retardancy

• Can be adapted to UL 94 V0

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