Polyester needle punched filter felt

Polyester needle felt is the most versatile, most cost effective and most widely used filter medium for dust collection . It is strong,  abrasion resistant, can work up to 150centidegree, and has good resistance to common acids, solvents and oxidizing agents.

Disadvantages

Polyester’s only real weekness is a tendency to hydrolyse at elevated temperature which means that moisture can break down the fibers and cause them to their basic constituents. This results in powdering of the filers and a serious loss of strength.

Application

Because of its favourable pirc/quality ratio,  polyester is the most common fiber used in filter media .

Mining

Cement Industry

Iron and Steel Industry

Quarrying

Plastics 

Milk Powder

Flour Mills (Applications under dry conditions up to temperatures of 150centidegree. )

Composition                PET/PET scrim

Thickness (mm)             1.8

Air permeability(L/m2/s)     200-300

Tensile strength(N/5x20cm)   warp≥1100  weft≥1300

Tensile elongation(%0        warp<35 weft<40

Broken strength(N/m2):     4501

Continuous working Tem(centidegree)  ≤130

Short time working Tem(centidegree)    150

Anti-acid                       Fair

Anti-alkali                      Fair

Anti-abrasion                    Excellent

The stability of water solution       Fair

Finishing treatment             Singeing,calendaring,heatting(Mirror treatment)