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Needle Felt for Air Filtration
Acrylic Coated needle felt
Acrylic Coated needle felt

Detail:

Acrylic Coated needle 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 150°C and has good resistance to common acids, solvents and oxidising agents.

Disadvantages 
Polyester's only real weakness is a tendency to hydrolyse at elevated temperature which means that moisture can break down the fibres and cause them to revert to their basic constituents. This results in powdering of the fibres and a serious loss of strength.

Application
Because of its favourable price/quality ratio, polyester is the most common fibre used in filter media.

Mining 
Cement Industry 
Iron and Steel Industry 
Aluminum and Non Ferrous Industry 
Ceramic Industry 
Quarrying 
Plastics 
Milk Powder 
Flour Mills (Applications under dry conditions up to temperatures of 150°C)

 

Specification

Composition

PET/PET scrim

Thickness (mm)

1.8

Air permeability (L/m2/s)

200-350

Tensile strength
(N/5×20cm)

Warp

1100

Weft

1300

Tensile elongation (%) 

Warp

<35

Weft

<40

Broken strength (N/m2)

450

Continuous wokring Tem. (℃)

130

Short time working Tem.(℃)

150

Anti-acid

Fair

Anti-alkali

Fair

Anti-abrasion

Excellent

The stability of water solution

Fair

Finishing treatment

Singeing,calendaring,heatting(Mirror treatment)

Hits:  Update:2014-4-11 22:59:57  【Print】  【Close

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