Qualitative Grade
| Grade No. | Flowrate | Retention microns | Wet strength | Thickness, mm | Ash % | |
| 113 | Excellent retention of coarse and gelatinous precipitates, creped | Fast | 30 | High | 0.42 | 0.06 |
FILTER PAPER CIRCLES WHATMAN GRADE NO.113 18.5CM DIA BOX 100
Qualitative Grade
| Grade No. | Flowrate | Retention microns | Wet strength | Thickness, mm | Ash % | |
| 113 | Excellent retention of coarse and gelatinous precipitates, creped | Fast | 30 | High | 0.42 | 0.06 |