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       Filter Paper
Air filter paper index
Index name
unit
JJ1
JJ2
JJ18
Standard
Basis Weight
g/ m2
133
135
128
GB451.2--2002
Thickness caliper
mm
0.48
0.50
0.46
GB451.3--2002
Corrugation depth
mm
0.25
0.22
___
GW001--2005
burst strength
Kpa
400
390
380
GB454--2002
stiffness
mgs
4200
4000
3800
GW002--2005
Air permeability (△P200Pa)
mm/s
330
350
475
GW003--2005
Max pore size
um
75
82
85
GW004—2005
Mean pore size
um
62
68
72
GW004—2005
Resin content
%
20
18
18
GW005—2005
Volatiles
%
4.0
4.0
4.0
GW006--2005
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Anping County JiuJiu Filter Equipment Co., Ltd Address: West of Yuhua Road Anping County Hebei Provice China.P.C.

Tel:0086-318-7802019,7802036    Fax:0086-318-7520184