Domtar St.Croix Hardwood pulp exhibits good cleanliness, uniform high maple content, and easy beating properties, making it ideal for use in low-horsepower refiners. All production is elemental chlorine free (ECF). High Brightness pulp is available for the brightness conscious market.
Characteristics
This Northern ECF bleached product combines the fine features of Maple with the strength of Birch and the stiffness of beech to produce an excellent papermaking material. The pulp exhibits good cleanliness, brightness, and easy beating characteristics.
Value-Added Features
The pulp fiber combines good strength with excellent formation and surface for smooth printing applications. The high maple content is suitable for soft tissue applications.
Pure Benefits
- Excellent optical properties
- Smooth printing surface
- Excellent formation
Ideal Applications
This Prime hardwood is suitable for producing sensitive grades like bond and copy paper, carbonless, photographic, machine glazed, and coated paper grades. It is the preferred pulp for coated papers with a closed or smooth printing surface. This product is excellent for markets requiring elemental chlorine free (ECF) pulp.
End-use Benefits
- Excellent formation
- Excellent print surface
- Low coarseness for softness
Wood Species (Typical)
| Maple | 55% |
| Birch | 23% |
| Aspen | 7% |
| Beech | 15% |
Typical Pulp Properties**
| Brightness (ISO) | 90 |
| Dirt (ppm) | 0.5 |
| Viscosity (cp) | 30.0 |
| Fiber Length* (mm) | 0.70 |
| Coarseness* (mg/m) | 0.069 |
| DCM Extractives (%) | 0.1 |
| Ash (550° C) (%) | 0.2 |
| Air Dry (%) | 95 |
| *FQA **Average of typical samples tested. These are Not pulp millspecifications. |
Shipping Data
| Dimensions | Inches | cm |
| Length | 30 | 76 |
| Width | 32 | 81 |
| Height | 17.5 | 44 |
| Weight | 550 lb. / 249 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 | 1200 | 2000 | 3,800 |
| Freeness |
CSF, (ml) | 512 | 416 | 321 | 284 | 227 |
| Bulk |
(cc/g) | 1.79 | 1.73 | 1.65 | 1.60 | 1.56 |
| Burst Index |
(kPa-m²/g) | 0.76 | 1.34 | 1.93 | 2.12 | 2.51 |
| Tear Index |
(mN-m²/g) | 3.08 | 4.22 | 5.03 | 5.21 | 5.76 |
| Tensile |
(km) | 2.20 | 3.24 | 4.00 | 4.53 | 4.98 |
| Tensile Index |
(Nm/g) | 21.6 | 31.8 | 39.2 | 44.4 | 48.8 |
| Tappi Opacity |
(%) | 78.1 | 77.2 | 76.3 | 75.4 | 74.8 |
Pfi
