Explosion-proof FFU (Explosion-proof Fan Filter Unit) is mainly used in places where there is a risk of fire and explosion and where high cleanliness standards are required. Its core lies in simultaneously meeting the two demands of “explosion-proof safety” and “air purification”.
I. Electronics / Semiconductor and Display Industry
Semiconductor manufacturing: Chip fabrication, lithography / etching workshops, wafer clean rooms (organic solvents / silane flammable).
Optoelectronic display: LCD/OLED panels, backlight modules, optical lens workshops (ink / solvent evaporation).
Precision electronics: Hard drives / magnetic heads, micro-motors, sensor assembly (anti-static + explosion-proof).
II. New Energy and Battery Industry
Lithium battery manufacturing: Cathode and anode coating, injection, formation workshops (electrolyte vapor flammable).
Energy storage / hydrogen: Energy storage stations, fuel cell workshops, hydrogen production area (hydrogen explosion-proof).
III. Medicine and Biochemical Engineering
Pharmaceutical workshops: Sterile raw materials, organic solvent crystallization / drying areas, explosion-proof clean sheds (ethanol / acetone etc.).
Biological preparations: Fermentation tank areas, sterile sampling, biosafety laboratories (BSL-3/4).
Fine chemicals: Explosion-proof clean reaction areas, powder feeding / mixing (combustible dust).
IV. Food / Cosmetics and Powder Industry
Food processing: Milk powder / cocoa powder production, sterile filling lines (starch / milk powder dust explosion-proof).
Cosmetics: Perfume / perfume formulation, powder tabletting workshop (alcohol / combustible powder).
Powder manufacturing: Aluminum powder / magnesium powder, carbon nanotubes, pigment production (combustible dust + high cleanliness).
V. Research and Special Environments
Explosion-proof laboratories: Chemical synthesis, nanomaterials, flammable gas research rooms.
Aerospace: Precision component assembly, fuel tank maintenance areas, clean explosion-proof cabins.
Others: Explosion-proof clean operating rooms, nuclear industry clean areas, ventilation and purification of hazardous goods warehouses.
Core selection points
Explosion-proof level: Ex d IIB T4 (common)/ Ex ia IIC T6 (high-risk areas).
Filter level: HEPA (ISO 5–6 grade) or ULPA (ISO 4 grade).
Material: 304/316 stainless steel (anti-corrosion explosion-proof), anti-static coating.
