Specialty Analytical Filter Paper
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Key Features
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| Pleated (Fluted) Filter Paper | ||||||
| Typical Grade Properties | ||||||
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Grades
|
Filter Paper Base
|
Retention in µm
|
Filtration Speed
Herzberg sec/100mls |
Filtration Speed
Rapidity mls/min |
Loading
capacity |
Whatman Cross
Reference |
|
542
|
642
|
2
|
229
|
30
|
Medium
|
2V
|
|
550
|
950
|
2
|
491
|
14
|
Medium
|
-
|
|
519
|
909
|
3
|
105
|
65
|
Medium
|
-
|
|
509
|
609
|
4
|
98
|
70
|
Medium
|
-
|
|
513
|
613
|
6
|
114
|
60
|
Medium
|
-
|
|
515
|
615
|
25
|
29
|
235
|
High
|
-
|
|
562
|
962
|
27
|
28
|
245
|
High
|
114V
|
|
505
|
905
|
28
|
26
|
265
|
Medium
|
-
|
|
517
|
617
|
35
|
19
|
360
|
Very High
|
-
|
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Catalog Numbers
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| Pleated (Fluted) Grades (100/box); items with grade numbers in bold are 50/box | |||||||||
|
Size*
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505
|
509
|
513
|
515
|
517
|
542
|
550
|
519
|
562
|
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12.5
|
5050-1250
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5090-1250
|
5130-1250
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5150-1250
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5170-1250
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5420-1250
|
5500-1250
|
5190-1250
|
5620-1250
|
|
15.0
|
5050-1500
|
5090-1500
|
5130-1500
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5150-1500
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5170-1500
|
5420-1500
|
5500-1500
|
5190-1500
|
5620-1500
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18.5
|
5050-1850
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5090-1850
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5130-1850
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5150-1850
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5170-1850
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5420-1850
|
5500-1850
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5190-1850
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5620-1850
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24.0
|
5050-2400
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5090-2400
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5130-2400
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5150-2400
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5170-2400
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5420-2400
|
5500-2400
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5190-2400
|
5620-2400
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27.0
|
5050-2700
|
5090-2700
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5130-2700
|
5150-2700
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5170-2700
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5420-2700
|
5500-2700
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5190-2700
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5620-2700
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|
32.0
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5050-3200
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5090-3200
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5130-3200
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5150-3200
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5170-3200
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5420-3200
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5500-3200
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5190-3200
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5620-3200
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38.5
|
5050-3850
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5090-3850
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5130-3850
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5150-3850
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5170-3850
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5420-3850
|
5500-3850
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5190-3850
|
5620-3850 |
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50.0
|
5050-5000
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5090-5000
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5130-5000
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5150-5000
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5170-5000
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5420-5000
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5500-5000
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5190-5000
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5620-5000
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* All circle diameters are in centimeters
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Seed Testing Paper
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Typical Grade Properties
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Grade
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Surface
|
Color
|
Weight g/m2
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Klemm (Capillary Rise)
1/16th /min |
|
601*
|
Smooth
|
White
|
88
|
13
|
|
628*
|
Smooth
|
Tan
|
338
|
19
|
|
939*
|
Unfinished
|
White
|
141
|
60
|
|
8001*
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Crepe
|
Tan
|
63
|
10
|
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8002*
|
Crepe
|
Tan
|
120
|
18
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| * All grades available in custom cut dimentions | ||||
| Asphalt Testing Filter Paper | ||||
| Typical Grade Properties | ||||
|
Grade
|
Retention in µm
|
Filtration Speed
Herzberg sec/100mls |
Filtration Speed
Rapidity mls/min |
Loading
capacity |
|
627*
|
4
|
80
|
85
|
High
|
|
613*
|
6
|
114
|
60
|
Medium
|
|
615*
|
25
|
29
|
235
|
High
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|
617*
|
35
|
19
|
360
|
Very High
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| * All grades available in custom cut dimentions | ||||
| Sugar Testing Filter Paper | |||||
| Typical Grade Properties | |||||
|
Grade
|
Retention in µm
|
Filtration Speed
Herzberg sec/100mls |
Filtration Speed
Rapidity mls/min |
Wet Burst
Inches |
Loading
capacity |
|
8613
|
4
|
114
|
60
|
-
|
Medium
|
|
613
|
6
|
114
|
60
|
15
|
Medium
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|
615
|
25
|
29
|
235
|
18
|
High
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|
962
|
27
|
28
|
245
|
125
|
High
|
|
961
|
40
|
19
|
360
|
70
|
Very High
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| Catalog Numbers | |||
| Sugar Testing Grades (8613: 100/pk; 961 and 962:1000/pk) | |||
|
Size*
|
8613
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962
|
961
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2.4
|
8613-0240
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9620-0240
|
9610-0240
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3.0
|
8613-0300
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9620-0300
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9610-0300
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4.25
|
8613-0425
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9620-0425
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9610-0425
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4.7
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8613-0470
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9620-0470
|
9610-0470
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5.5
|
8613-0550
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9620-0550
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9610-0550
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7.0
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8613-0700
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9620-0700
|
9610-0700
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9.0
|
8613-0900
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9620-0900
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9610-0900
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11.0
|
8613-1100
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9620-1100
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9610-1100
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12.5
|
8613-1250
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9620-1250
|
9610-1250
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15.0
|
8613-1500
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9620-1500
|
9610-1500
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18.5
|
8613-1850
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9620-1850
|
9610-1850
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| * All cercle diameters are in centimeters. Grade 613 and 615 catalog numbers are shown in the Quantitative Filter Paper section. | |||
| Beer Testing Filter Paper | ||||
| Typical Grade Properties | ||||
|
Grade
|
Retention in µm
|
Filtration Speed
Herzberg sec/100mls |
Filtration Speed
Rapidity mls/min |
Loading
capacity |
|
642
|
2
|
229
|
30
|
Medium
|
|
509
|
4
|
98
|
70
|
Medium
|
|
515
|
25
|
29
|
235
|
High
|
| Pulp & Paper Blotting Paper | |||
| Typical Grade Properties | |||
|
Grade
|
Basis Weight
g/m2 |
Total Absorbency
g/m2 |
Absorbency Rate
Sec/1 ml H2O |
|
244
|
246
|
540
|
40
|
|
623
|
246
|
740
|
5
|
| Catalog Numbers | ||||
| Pulp and paper Blotting Grades | ||||
|
Size (in)
|
244
|
Shts/ctn
|
623
|
Shts/ctn
|
|
8" x 8"
|
2440-0808
|
2250
|
6230-0808
|
2000
|
|
12" x 12"
|
2440-1212
|
1000
|
6230-1212
|
800
|