Frequently asked questions
| Which wood species is Södra blue made of? | |
Södra blue is mainly made of spruce and pine . | |
| What is the blue pulp most suitable for? | |
The pulp is a great all-rounder and ideal for paper requiring a high tensile strength without sacrificing tear strength and runnability. | |
| Is the pulp certified with PEFC or FSC®? | |
Yes, the pulp is available certified to both PEFC or FSC®. | |
| Where can I find more detailed product information about Södra blue? | |
This product category
Södra blue
Södra blue is made from several different types of spruce and pine. This mix of raw materials produces a pulp that is ideal for paper requiring a high tensile strength without sacrificing tear strength and runability.
Certificates and documents for Södra Blue
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Södra blue 85Z
Södra blue 85Z offers high tensile strength combined with high tear strength. It’s also easily refined, saving on energy costs, and is bleached to 85 % brightness, using the TCF process. This northern bleached softwood kraft pulp is a versatile product that really makes an impact. Available certified to both PEFC or FSC®.
Product features blue 85Z
Dirt, ISO 5350-2
1.5 (≤10.0) mm2/kg
Brightness, ISO 2470-1
86 (≥85) %
Aceton-soluble extractives, ISO 14453
0.04 %
Ash, ISO 1762
0.35 %
pH, ISO 29681
4.8
Fibre length* (lw), PulpEye
2.28 mm
Fibre width*, PulpEye
30.2 µm
Coarseness*, PulpEye
xx µg/m
Södra blue F
If high bulk and excellent porosity need to be combined with outstanding stretch properties, Södra blue F could be the answer. By using modern ECF-bleaching this flash dried pulp offers an excellent solution for a wide range of applications. A northern bleached softwood kraft pulp available certified to both PEFC or FSC®.
Product features blue F
Dirt, ISO 5350-2
1.0 (≤5,0) mm2/kgBrightness, ISO 2470-1
89 (≥88) %Aceton-soluble extractives, ISO 14453
0.04 %Ash, ISO 1762
0.25 %pH, ISO 29681
4.8Fibre length* (lw), PulpEye
2.17 mmFibre width*, PulpEye
30.3 µmCoarseness*, PulpEye
xx µg/m
Södra blue Z
Like the other blue pulps, Södra blue Z is a northern bleached softwood kraft pulp offering a great combination of both high tensile strength and high tear strength. It is also easily refined, saving on energy costs. This is a reliable all-rounder for numerous applications. Bleached to full brightness using the TCF process, Södra blue Z is available certified to both PEFC or FSC®.
Product features blue Z
Dirt, ISO 5350-2
1.0 (≤5,0) mm2/kgBrightness, ISO 2470-1
89 (≥88) %Aceton-soluble extractives, ISO 14453
0.04 %Ash, ISO 1762
0.35 %pH, ISO 29681
4.8Fibre length* (lw), PulpEye
2.28 mmFibre width*, PulpEye
30.2 µmCoarsness*, PulpEye
xx µg/m
Pulp+ Tailored for you as our customer
How can we help add value to your business? By improving your process efficiency? Developing new products together? Perhaps a joint communication initiative to target your customers? Or maybe use our sustainability credentials to your advantage?
Contact us
Pär Andersson
Technical product manager, Printing paper, Board products
+46 70 358 44 98
an......@sodra.com
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