Grade 909 Filter Disc has a medium flow rate with very good retention. It is a tighter version of Ahstrom 962. This grade has a rough surface and is often used in the food industry for routine food tests.
Medium Filtering Speed
Size Range in cm: 4.25 to 50cm
Whatman Cross Reference: 91
MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY
| Pack Count: | 100 |
| Filter Speed: | Medium Speed |
| Filtration Speed: Herzberg sec./100mls: | 105 |
| Part No. | Description | UOM | est wt. |
Quantity In Stock |
Price | Quantity to order |
|---|---|---|---|---|---|---|
| A90900425 | 3um Qualitative Wet-Strengthened Filter Discs | EA | 0 | 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. | $8.69 | |
| [*L] Standard lead-time for out-of-stock items is approximately two weeks depending on the item. | ||||||
Ordering information.
International (non-US) prices available through your
local dealer.
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Grade 950 Filter Disc has a slow flow rate with very good retention used in the filtration of fine precipitates and super phosphates. Ahlstrom 950 is also recommended for boiler water analysis applications and gas filtration.
Slow Filtering Speed
Size Range in cm: 4.25 to 50cm
Whatman Cross Reference: 6
MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY
| Pack Count: | 100 |
| Filter Speed: | Slow Speed |
| Filtration Speed: Herzberg sec./100mls: | 491 |
| Part No. | Description | UOM | est wt. |
Quantity In Stock |
Price | Quantity to order |
|---|---|---|---|---|---|---|
| A95000425 | 2um Qualitative Wet-Strengthened Filter Discs | EA | 0 | 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. | $9.39 | |
| [*L] Standard lead-time for out-of-stock items is approximately two weeks depending on the item. | ||||||
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Ordering information.
International (non-US) prices available through your
local dealer.
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Grade 961 Filter Disc is fast filtering with a very high load capacity recommended for the filtration of coarse and gelatinous precipitates. The creped surface of Ahlstrom 691 also offers higher surface area to increase filtration speed.
Fast Filtering Speed
Size Range in cm: 4.25 to 50cm
Whatman Cross Reference: 113
MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY
| Pack Count: | 50 |
| Filter Speed: | Fast Speed |
| Filtration Speed: Herzberg sec./100mls: | 19 |
| Part No. | Description | UOM | est wt. |
Quantity In Stock |
Price | Quantity to order |
|---|---|---|---|---|---|---|
| A96100425 | 40um Qualitative Wet-Strengthened Filter Discs | EA | 0 | 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. | $6.42 | |
| [*L] Standard lead-time for out-of-stock items is approximately two weeks depending on the item. | ||||||
|
Ordering information.
International (non-US) prices available through your
local dealer.
|
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Grade 962 Filter Disc is a fast filtering thinner version of Ahlstrom 961. Ahlstrom 962 is recommended for the filtration of coarse and gelatinous precipitates. The creped surface of Ahlstrom 962 also offers higher surface area to maintain high filtration speed.
Fast Filtering Speed
Size Range in cm: 4.25 to 50cm
Whatman Cross Reference: 114
MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY
| Pack Count: | 100 |
| Filter Speed: | Fast Speed |
| Filtration Speed: Herzberg sec./100mls: | 28 |
| Part No. | Description | UOM | est wt. |
Quantity In Stock |
Price | Quantity to order |
|---|---|---|---|---|---|---|
| A96200425 | 27um Qualitative Wet-Strengthened Filter Discs | EA | 0 | 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. | $8.29 | |
| [*L] Standard lead-time for out-of-stock items is approximately two weeks depending on the item. | ||||||
|
Ordering information.
International (non-US) prices available through your
local dealer.
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 Yttria coated filament at start |
 Yttria coated filament after 16,000 cycles |
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