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Heat Sealable Coffee Filter Paper | ||||||||
Index | Units | Specifications | ||||||
Grammage | g/m2 | 23 | 24 | 25 | 27 | 28 | ||
Tensile strength | MD | ≥ | Kn/m | 1.25 | 1.31 | 1.34 | 1.40 | 1.50 |
CD | ≥ | 0.40 | 0.43 | 0.45 | 0.48 | 0.50 | ||
Wet tensile strength | MD | ≥ | Kn/m | 0.30 | 0.33 | 0.33 | 0.34 | 0.35 |
CD | ≥ | 0.25 | 0.27 | 0.29 | 0.40 | 0.31 | ||
Thickness | micron | 67 | 71 | 72 | 75 | 77 | ||
Filtering time | ≤ | S | 2.00 | 2.50 | 3.00 | 3.50 | 4.00 | |
Air permeability | ≥ | mm/s | 450 | 400 | 350 | 300 | 250 | |
Brightness (whiteness) | ≥ | % | 77-80 | |||||
Heataealability | ≥ | mm/s | 0.12-0.18 | |||||
Moisture of delivery | ≤ | % | 5-8 | |||||
Heat Sealable Coffee Filter Paper | ||||||||
Index | Units | Specifications | ||||||
Grammage | g/m2 | 23 | 24 | 25 | 27 | 28 | ||
Tensile strength | MD | ≥ | Kn/m | 1.25 | 1.31 | 1.34 | 1.40 | 1.50 |
CD | ≥ | 0.40 | 0.43 | 0.45 | 0.48 | 0.50 | ||
Wet tensile strength | MD | ≥ | Kn/m | 0.30 | 0.33 | 0.33 | 0.34 | 0.35 |
CD | ≥ | 0.25 | 0.27 | 0.29 | 0.40 | 0.31 | ||
Thickness | micron | 67 | 71 | 72 | 75 | 77 | ||
Filtering time | ≤ | S | 2.00 | 2.50 | 3.00 | 3.50 | 4.00 | |
Air permeability | ≥ | mm/s | 450 | 400 | 350 | 300 | 250 | |
Brightness (whiteness) | ≥ | % | 77-80 | |||||
Heataealability | ≥ | mm/s | 0.12-0.18 | |||||
Moisture of delivery | ≤ | % | 5-8 | |||||
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