The interior of the cabinet must be clean, dry, away from moisture and dust. Rampf's polyurethane soft foaming system and the reaction of the silicone foam at room temperature to seal the foam to achieve the highest IP protection type standards. Specific types of products also passed the relevant tests and reached the criteria for fire protection categories.
It is not unreasonable for leading cabinet and enclosure system manufacturers to use a polyurethane foam system and a silicone foam system that reacts at room temperature.
The sealing of the cabinet is generally made of polyurethane foam system.
