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Grade GF 8 and Grade GF 9
l
Used in the filtration of coarse particles
l
Determination of PCB, DDE, DDT, furans and dioxins in the air
l
Environmental analysis
l
Membrane pre-filter
Grade GF 10
l
Used in the filtration of coarse particles
l
Weighing aid for infrared weighing
l
A roll filter in automatic air filtration units
Specifications
Grade
Weight
(g/m
2
)
Thickness
(mm)
Nominal Rating
(
μ
m)
Maximum Temperature
（
º
C
）
Binder
GF A
56
0.29
1.6
500
Free
GF B
140
1.00
1.0
500
Free
GF C
54
0.28
1.2
500
Free
GF D
120
0.53
2.7
500
Free
GF F
75
0.40
0.7
500
Free
GF H
65
0.30
1.5
500
Free
GF 6
80
0.35
--
500
Inorganic
GF 8
75
0.35
--
500
Inorganic
GF 9
70
0.35
--
500
Inorganic
GF 10
70
0.35
--
180
Organic
Cross Reference
Membrane Solutions
GF A
GF B
GF C
GF D
GF F
GF H
GF 6
GF 8
GF 9
GF 10
Whatman
GF/A
GF/B
GF/C
GF/D
GF/F
934-AH
GF 6
GF 8
GF 9
GF 10