Prodcuts name: besalt needle felt
Use temp: 500C
peak temp:650C
Usage: High temp. filtration condition

Chemical component of GBFT Besalt fiber

Chemical component 

Percent(%)

SiO2

51.6~59.3

Al2O3

14.6~18.3

CaO

5.9~9.4

MgO

3.0~5.3

Na2O+K2O

3.6~5.2

TiO2

0.8~2.25

Fe3O3+FeO

9.0~14.0

others

0.09~0.13

GBFT High temperature Besalt fiber needle felt (with base fabric)

Item No.

Weight

Width

Air permeability

Breaking strength

(N/5*20cm)

Breaking elongation

Use temp.

Warp

Weft

GBFT600

600gsm

1050mm

12m3/m2*min 

>2700

>2900

<8%

500C