Glass Fibre Filter DP-70 90mm , Box x 50

Grade

Applications/Characteristics

Weight (g/m2)

Thickness (mm)

Pore Size (µm)

Water Flow Time*1 (sec)

Binder

Maximum Operating Temperature (°C)

GA-55

Thin filter recommended for clarifying filtration Air pollution monitoring

55

0.21

1.6

23

None

500

GF-75

Highest collection efficiency grade offered Collection of very fine particles

75

0.35

0.7

84

None

500

GA-100

Faster filtration speed recommended for filtering viscous fluids

110

0.44

3.0

11

None

500

GA-200

Thick filter with high dust holding capacity recommended for filtering viscous fluids

175

0.74

2.3

15

None

500

GB-100R

High and low volume aerosols for airborne dust and metal contaminants Low trace metal contents

95

0.38

2

15

None

500

GB-140

High dust holding capacity recommended for SS(Suspended Solid) analysis

140

0.56

1.0

58

None

500

GC-50

Thin filter with high collection efficiency Prefilter for membrane filter Scintillation counting

48

0.19

1.2

28

None

500

GC-90

Filter with organic binder recommended for fine particles and aerosols Prefilter for membrane filter

100

0.30

1.7

20

Organic

120

GD-120

Medium collection efficiency grade Prefilter for membrane filter

123

0.51

2.7

14

None

500

GS-25

Filter with organic binder recommended for SS(Suspended Solid) analysis Higher strength and lower released fibers compared with no-binder grades

70

0.21

1.9

15

Organic

120

QR-200

Thick quartz fiber filter with inorganic binder Low adsorption

Monitor airborne particulates

200

1.0

-

-

Inorganic

1,000

QR-100

Quartz fiber filter without binder

Superior chemical resistance, does not adsorb acid gases

85

0.38

-

-

None

1,000

Size

DP-70

GA-55

GA-100

GA-200

GB-100R

GB-140

GC-50

GC-90

GD-120

GF-75

GS-25

Quantity/package

21–150 mm

diameter discs

50

100

100

50

100

100

100

100

50

100

100

300 x 300 mm sheets

10

10

10

10

10

10

10

10

10

10

10

8 x 10 inch sheets

-

100

50

-

50

-

100

50

50

100

-