| PATTERN COFFEE FILTER PAPER | |||
| Parameter | Unit | 19g | 22g |
| Substance | g/m2 | 19.0±1.0 | 22.0±1.1 |
| Density | g/cm³ | 0.22 | 0.24 |
| Heatseal Temperature | degree | 135-150 | 135-150 |
| Air permeability | L/m2.s | 876.6 | 795.08 |
| Tensile strength, dry MD | N/15 mm | 9.60 | 10.2 |
| Tensile strength, dry CD | N/15 mm | 3.15 | 3.45 |
| Tensile strength, wet MD | N/15 mm | 3.00 | 3.60 |
| Heatseal strength, CD | N/15mm | 2.10 | 2.25 |
| Filter Time | s | 0.3 | 0.4 |
| Moisture | % | 3.80 | 4.20 |