Encapsulation and Potting 2-part RTV silicone (room temperature curing) condensation cure and 2K PU potting materials for electronic protection:

Novasil® S 803
The 1-component sealing silicone with UV indicator
Standards and tests
UL FLAME CLASSIFICATION 94 HB, RTI 105°C, File No. E176319 (Layer thickness 1.5 mm - 3.0 mm)
UL FLAME CLASSIFICATION 94 V-1, Conformal Coating auf FR4 (Layer thickness <0.3 mm)
UL Dielectric Strength, File No. E176319
UL Volume Resistivity, File No. E176319