This filter paper is a calendared, hardened, qualitative low-ash filter paper used to filter fine precipitates with the following qualities:
Typical Properties
| Basis Weight | 92 (g / m2) |
| Caliper | .137 (mm) |
| Densometer | 172.3 (Gurley secs / 100 cc air 0.1 sq. in) |
| Water absorbency | .9 Klemm (1/16 inch / min.) 8.9 (g / 100 cm2) |
| Wet Strength | 75 psi |
All paper grades are described by the type of particles retained, in accordance with ASTM Standard Methods. The particle size retention range for this paper is 2-5μm (microns). The filter paper meets or exceeds the standards established by the American Petroleum Institute as published in API Recommended Practice 13B-1 and API Recommended Practice 13B-2.
Part No. 206056 Filter Paper 2.5" (6.35cm) diameter, box of 100
For use with HPHT Filter Presses and Half Area Filter Presses
Part No. 206051 Filter Paper 3.5" (9cm) diameter, box of 100
For use with LPLT (API) Filter Presses
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