Polyester Filter Felt Datasheet

Name

PET needle punched filter felt

Compound

PET/PET ordinary scrim

PET/PET strength scrim

Weight(g/m2)

450

500

550

600

400

450

500

550

600

Thickness(mm)

1.6

1.8

2.0

2.2

1.4

1.55

1.75

1.95

2.15

Air perm.(m3/m2/min)

18

15

13

12

21

18

16

13

12

Tensile strength

(N/5×20cm)

Warp

>750

>750

>800

>800

>1000

>1000

>1100

>1100

>1150

Weft

>1150

>1200

>1300

>1400

>1250

>1300

>1400

>1500

>1500

Tensile elongation(%)

Warp

<35

<35

<35

<35

<25

<25

<25

<25

<25

Weft

<55

<55

<55

<55

<45

<45

<45

<45

<45

Breaking strength(N/m2)

400

450

500

550

400

450

500

550

600

Continuous Service Tem.(?)

=130

=130

=130

=130

=130

=130

=130

=130

=130

Peak Service Tem.(?)

150

150

150

150

150

150

150

150

150

Anti-acid

Excellent

Excellent

Anti-alkali

Medial

Medial

Anti-abrasion

Excellent

Excellent

The stability of water solution

Medial

Medial

Finishing treatment

Singeing,calendaring,heat-set