The VCl vapor phase anti-corrosion sponge is filled with dense VCI radiator anti-corrosion devices to protect the power system and electrical equipment, such as motors, drives, computers, screens, servers, etc. Place the anti-rust sponge near the equipment to ensure that the equipment is protected by the released VCI anti-rust molecules. This sponge can be used to pack parts that are easily scratched, dented or rusted. In addition, it has the function of cushioning, shock absorption and impact resistance.