Beschreibung
Soft elastic polyurethane
Application:
Preferred applications for the Elan-tron® PU 4440 casting resin are small transformers, rectifier groups and pressure-sensitive assemblies in general. UL approval under File E 140720
Description:
Mixing ratio: 100:27
Hardener: Elan-tron® PH 4900
Curing conditions: at room temperature 24 h, alternatively 4 h/room temperature + 4h/80°C
Resin color: brown
Color of hardener: brown transparent
Container size:
Resin: R PU 4440-1 in 1 kg container and R PU 4440-25 in 25 kg container
Hardener: R PU 4900-1 in a 1 kg container and R PU 4900-10 in a 10 kg container and R PU 4900-35 in a 35 kg container
Special features:
- flexible molding material
- low shrinkage
- low processing viscosity
- self-extinguishing according to UL 94 class HB
- UL approval under File E 140720
- Good dielectric properties
- Good adhesion
- Insulation class B (130°C)