Electret charging is critical for manufacturing medical masks and air purification filters. High electrostatic fields inject permanent electrostatic charges into polypropylene melt-blown fabric. Electrostatic adsorption captures aerosols, viruses and particles, raising filtration efficiency above 95% with low breathing resistance to meet standards for surgical masks, N95 masks and high-efficiency air filters.
1. Provide stable 0~60kV DC high voltage to create strong electrostatic fields for corona discharge and permanent charge implantation on melt-blown fibers;
2. Constant voltage/constant voltage dual mode adapts various fabric weights and materials;
3. Comprehensive short-circuit and arc protection supports 24-hour continuous production.
Voltage stability ≤±0.5%, strong anti-short/arc capability, long-term trouble-free operation, charge retention ≥1 year after charging and full compliance with medical filter material standards.
Strong DC high voltage generates corona discharge to implant permanent electrostatic charges into melt-blown fabric fibers. Electrostatic adsorption greatly improves particle and virus filtration efficiency while maintaining low breathing resistance for medical masks and high-efficiency filter production.
Electret treatment for surgical/N95 mask melt-blown fabric, HEPA filter charging, vehicle air conditioner filter processing and air purifier filter production.
