Quartz Fiber Filters
• Highly resistant to chemical attack, biologically inert• High Purity: Very low trace metal content, does not adsorb NOx and SOx dioxides; Grade QR-100 is prefired at 1,000°C for 2 hours to reduce organic contamination
• Easily sterilized: Can be baked or autoclaved
• Store indefinitely: Unaffected by humidity
APPLICATIONS
• Sample acidic gases at high (>500°C) temperatures
• Air pollution analysis
ORDERING INFORMATION
Size
|
QR-200
|
QR-100
|
Quantity/package
|
||
21 – 150 mm diameter discs
|
50
|
100
|
8 x 10 inch sheets
|
S
|
5
|
S = Special order
Available in discs in the following diameters (mm): 21, 24, 26, 37, 45, 47, 55, 70, 90, 110, 125, 150.
SPECIFICATIONS : GLASS /QUARTZ FIBER FILTERS
Grade
|
Applications/Characteristics
|
Weight (g/m2)
|
Thickness (mm)
|
Nominal Rating (µm)
|
Water Flow Time*1 (sec)
|
Collection Efficiency (%, 0.3 µm DOP)
|
Pressure Drop (kPa at
5 cm/sec) |
Binder*
|
Maximum Operating Temperature (°C)
|
Conversion
|
||||
Whatman
|
ex-Schleicher & Schuell
|
Pall
|
Millipore
|
Ahlstrom
|
||||||||||
GA-55
|
|
55
|
0.21
|
0.6
|
23
|
99.9
|
0.33
|
None
|
500
|
GF/A (934AH)
|
31
|
|
APFA
|
111
|
GF-75
|
|
75
|
0.35
|
0.3
|
84
|
99.999
|
1.67
|
None
|
500
|
GF/F
|
20
|
|
GFCP
|
151
|
GA-100
|
|
110
|
0.44
|
1.0
|
11
|
96
|
0.20
|
None
|
500
|
|
|
|
|
|
GA-200
|
|
175
|
0.74
|
0.8
|
15
|
99.9
|
0.35
|
None
|
500
|
|
|
|
|
|
GB-100R
|
|
95
|
0.38
|
0.6
|
15
|
99.99
|
0.30
|
None
|
500
|
EPM2000
|
1HV
|
A/E (Use for air)
|
AP40
|
|
GB-140
|
|
140
|
0.56
|
0.4
|
58
|
99.99
|
1.11
|
None
|
500
|
GF/B
|
32
|
|
APFB
|
121
|
GC-50
|
|
48
|
0.19
|
0.5
|
28
|
99.99
|
0.52
|
None
|
500
|
GF/C
|
30/25
|
A/E (Use for water)
|
AP40/ APFC
|
131
|
GC-90
|
|
100
|
0.30
|
0.5
|
20
|
99.99
|
0.42
|
Organic
|
120
|
|
|
|
AP15
|
|
GD-120
|
|
123
|
0.51
|
0.9
|
14
|
97
|
0.17
|
None
|
500
|
GF/D
|
40
|
|
APFD
|
141
|
GS-25
|
|
70
|
0.21
|
0.6
|
15
|
99.9
|
0.32
|
Organic
|
120
|
-
|
|
|
AP20
|
164
|
DP-70
|
|
170
|
0.52
|
0.6
|
20
|
-
|
0.52
|
Organic
|
120
|
-
|
|
|
AP25
|
|
QR-200
|
|
200
|
1.0
|
-
|
-
|
99.9
|
0.34
|
Inorganic
|
1,000
|
|
|
|
|
|
QR-100
|
|
85
|
0.38
|
-
|
-
|
99.99
|
0.45
|
None
|
1,000
|
QM-A
|
|
Micro Quartz
|
|
|
*Binder 1. Organic – Acrylic Acid Ester Emulsion. 2. Inorganic – Alumina
Inquiry - Quartz Fiber Filters