Filtration Material Selection
Fibre Type
Temperature
Properties of Filter Material and Applicable Conditions
Applied Industries and Conditions

Polypropylene

(PP)

90℃
Applicable for conditions that continuous temperature is below 90℃, and instant temperature is below 100℃. Property of oxidation resistance is general, and allowed PH value range: 1 – 14. Property of hydrolytic resistance is good.
Dust collection under industrial conditions such as food industry, flour, sugar refining, fertilizer plant, plating, and agrochemicals.

PAN Copolyme

r(Acrylic)(AC)

110℃
Applicable for conditions that continuous temperature is below 110℃, and instant temperature is below 115℃. Property of oxidation resistance is general, and allowed PH value range: 6 – 13. Relative Humidity<5%
Dust collection under industrial conditions such as detergent and coal dust.

PAN Homopolyme

r(Acrylic) (DT)

125℃
Applicable for conditions that continuous temperature is below 125℃, and instant temperature is below 140℃. Property of oxidation resistance is not good, and allowed PH value range: 3 – 11. Relative Humidity<30%
Dust collection from fume of detergent, refuse burning, asphalt, spray dryer, coal mill, and power plant.

Polyester

(PE)

150℃
Applicable for conditions that continuous temperature is below 150℃, and instant temperature is below 150℃. Property of oxidation resistance is good, and properties of acid resistance and alkali resistance are general. Allowed PH value range: 4 – 12. Relative Humidity<4%. When temperature is high, expected life will be influenced by moisture content of fume.
Dust collection of mine, limestone flour, cement slurry, mill, packing, iron making, continuous casting, agglomeration, dust removal of electrical furnace, transport of aluminum oxide, fume of electrolytic aluminum, fume of nonferrous metals metallurgy, wood processing, food processing, and pharmacy industry.

Polyphenylenensulfide

(PPS)

160℃
Applicable for conditions that continuous temperature is below 160℃, and instant temperature is below 200℃. Property of oxidation resistance is not good, but properties of acid resistance and alkali resistance are excellent. Allowed PH value range: 1 – 14. Relative Humidity>30%.
Dust collection from fume suboxide of coal burning boiler, refuse burning, metal smelting, and chemical industry.
Aromatic Polymer(Nomex) (NO)
200℃
Applicable for conditions that continuous temperature is below 200℃, and instant temperature is below 220℃. Property of oxidation resistance is general, and allowed PH value range: 5 – 9. Relative Humidity<10%. When temperature is high, its properties will be influenced by moisture content.
Dust collection under industrial conditions such as asphalt stirring, nonferrous metals metallurgy, ceramics, glass, kiln hood (cooler) of cement industry, and blast furnace gas of steelworks.

Polyimide(P84)

(PI)

220℃
Applicable for conditions that continuous temperature is below 220℃, and instant temperature is below 260℃. Property of oxidation resistance is general, and allowed PH value range: 3 – 13. Relative Humidity<25%
Dust collection from medium erosive fume of chemicals, metal smelting, refuse burning, charging side of cement kiln, and coal burning boiler.

Polytetrafluoroethylene

(PTFE)

250℃
Applicable for conditions that continuous temperature is below 250℃, and instant temperature is below 280℃. It is of excellent properties of resistance against every kind of chemical erosion. Allowed PH value range: 1 – 14. Relative Humidity>30%. This filter material is of excellent property of deashing.
Dust collection from high erosive and high temperature fume of chemicals, coal burning boiler, refuse burning, and nonferrous metal smelting.

Fibreglass

(FG)

260℃
Applicable for conditions that continuous temperature is below 260℃, and instant temperature is below 280℃. Property of oxidation resistance is good, and allowed PH value range: 4 – 9. Relative Humidity is 55%.
Dust collection from high temperature fume of cement, coal burning boiler, refuse burning furnace, steel making electrical furnace, blast furnace gas, and ferroalloy furnace.
 
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