The premium choice for a wide range of applications, it combines good strength and high opacity.
Characteristics
EP Select Birch (Hardwood Portion: 75% Birch, 25% Maple): EP Select Birch is well suited for a strong paper product that retains optical properties. It has excellent paper machine runnability.
Value-Added Features
Combine any of the three EP pure species pulps in your pulper to maximize their contribution and optimally engineer sheets. You select the best mix!
Pure Benefits
- Precision blends to meet specific needs
- Combines strength with optical properties
Ideal Applications
- Printing and writing grades
- Tissue grades
- Flexible packaging
- Coated free sheets
- All engineered products
End-use Benefits
Optimum species attributes
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EP Select Birch – Technical Data Sheet
Wood Species (Typical)
| Softwood | 3% - 5% |
| Hardwood Portion: | |
| Birch | 75% |
| Maple | 25% |
Typical Pulp Properties**
| Brightness (ISO) | 90 (89 min) |
| Dirt (ppm) | 0.1 |
| Viscosity (cp) | 7-9 |
| Fiber Length* (mm) | 0.88 |
| Coarseness* (mg/m) | 0.099 |
| DCM Extractives (%) | 0.034 |
| Ash (550° C) (%) | 0.17 |
| Air Dry (%) | 93 |
| * Kajaani FS-200 **FQA |
Shipping Data
| Dimensions | Inches | cm |
| Length | 33 | 83 |
| Width | 33 | 83 |
| Height | 16.5 | 41.9 |
| Weight | 580 lb. / 263 kg | |
| Wrapping: | Single wrapped with pulp | |
| Wires: | Domestic | 1 x 1 |
| Export | 1 x 2 | |
| Export Package: | 8 bales/unit |
PFI Mill Handsheet Data
| Revolutions | Units | 0 | 250 | 1400 | 3000 | 4000 |
| Freeness |
CSF, (ml) | 564 | 502 | 392 | 288 | 262 |
| SR, (°SR) | 22 | 25 | 32 | 41 | 44 | |
| Bulk |
(cc/g) | 1.83 | 1.71 | 1.53 | 1.47 | 1.42 |
| Burst Factor |
10 | 19 | 34 | 42 | 47 | |
| Burst Index |
(kPa-m²/g) | 0.94 | 1.84 | 3.34 | 4.08 | 4.58 |
| Tear Index |
(mN-m²/g) | 5.58 | 7.22 | 8.40 | 8.47 | 8.10 |
| Breaking Length |
(m) | 2200 | 3530 | 5290 | 6260 | 6880 |
| Tensile Index |
(Nm/g) | 21.6 | 34.6 | 51.9 | 61.4 | 67.5 |
| Tappi Opacity |
% | 78.1 | 75.3 | 74.1 | 72.3 | 71.4 |
Pfi



