Industrial kiln metal smelting and cement production generate complex flue gas with frequent temperature fluctuation and mixed acid alkali corrosive components, single Nomex PPS or PTFE filter bag cannot balance temperature resistance chemical stability and procurement cost. P84 filter bags fill the performance gap for such variable complex flue gas working conditions.
P84 filter bag bears continuous operating temperature up to two hundred and sixty degrees, fiber structure maintains stable without obvious shrinkage under alternate hot and cold flue gas impact. Nomex filter bag produces shrinkage deformation under frequent temperature change, PPS filter bag accelerates aging under high temperature fluctuation, while P84 adapts unstable kiln flue gas temperature perfectly.
For flue gas containing both weak acid and weak alkali substances, PTFE filter bag owns excellent corrosion resistance yet bears high raw material cost. Nomex and PPS cannot resist long term mixed acid alkali erosion and will break prematurely. P84 filter bag achieves moderate acid alkali resistance at medium procurement price, forming balanced cost performance choice for mixed corrosive flue gas scenes.
P84 filter bag becomes preferred selection for cement kiln clinker cooling flue gas metal smelting furnace exhaust and variable temperature industrial kiln waste gas. These industries own flue gas temperature varying from one hundred fifty to two hundred fifty degrees with mixed weak acid and alkali ash dust, which matches comprehensive performance advantages of P84 filter bag completely.
Though P84 filter bag unit price is higher than polyester and PPS filter bags, its service cycle reaches three to five years under complex flue gas working conditions, far exceeding Nomex filter bag service life. Factories avoid frequent filter bag purchasing and shutdown replacement labor cost, balancing initial investment and long term stable production income for variable flue gas treatment projects.
