Daheng Filter Cloth Co.,Ltd.
www.all-filter.com
technical parameters of non-solidity filter paper Back
Item
Testing way
879
844
893/1
347/20
1245
347/P4
1220
1370
1289
843
ration
GB451
g/m2
132
108
124
135
143
146
127
130
175
120
thickness
GB451.2
mm
0.70
0.48
0.58
0.57
0.66
0.65
0.56
0.60
0.88
0.40
controlling on line
0.20
air lock
DIN53887
mbar
0.95
1.00
1.50
1.55
2.00
3.20
Air permeability
L/m2.s
1300
880
840
560
550
430
270
max
pore size
bubble method
μm
115
92
90
80
70
76
63
mean pore size
105
82
75
60
68
54
flow rate pore size
chromatography
44
35
33
30
28
22
burst method
GB454
kpa
200
180
220
capture rate
SIKA
2.2
2
1.6
1.5
0.75
1.25
0.9
content of resin
on line control
%
20
16.5
17.5
24
20.5
17
15
18.5
21