BBS is anti-condensation. It can be quickly self-leveled after being stirred and mixed on site by the AB two components, and then expanded and solidified to form a closed body. Applicable to: high and low voltage switch cabinets, box-type substations, cable branch boxes, opening and closing stations, ring network cabinets and other power equipment cable rooms for anti-condensation blocking, completely blocking the source of condensation and moisture, moisture-proof, fire-proof, Anti-corrosion, flame-retardant, environmental protection, aging resistance, etc.; radically eliminate condensation and small animals entering the electrical cabinet to cause electrical safety hazards.