Brown Sack Kraft Paper

In order to give our brown paper grades the best possible strength properties, they are made out of virgin fibre from slow-growing pine and spruce. With efficient converting in mind, our paper is the ideal choice for a wide range of applications, such as sacks for cement & building materials, food and animal feed.

Advantage Select is a brown extensible sack kraft paper combining extremely high tensile energy absorption (TEA), very good runnability and high porosity. We recommend using it without perforation for the quick filling of valve sacks with powdered substances in particular. This will reduce the dust level during filling and handling of the sacks enormously and has proven most effective in enhancing slip resistance.

Benefits of our Sack Kraft Papers

  • Strength
    Both our brown and our white sack kraft paper grades offer excellent strength properties. Our strongest grades have a TEA index of up to 3.8 J/g. These grades are ideal for 1-ply and 2-ply industrial bags with a filling weight up to 50 kg.
  • Porosity
    For fast and dust-free filling of cement or other powdered goods we offer papers with a perfect combination of strength and porosity. These papers are porous enough to allow efficient de-aeration of bags during filling so that perforation is not needed. Yet they are strong enough to withstand the tough demands of filling and handling.
  • Printability
    Our white sack kraft paper grades in particular offer excellent print characteristics. A smooth paper surface and uniform paper formation achieve a high-quality print result that enhances your bag`s point-of-purchase appearance.
  • Runnability
    In the bag converting plant, paper features such as strength, stiffness and surface smoothness must be stable to ensure effective operation of the high-speed machinery.

End-uses

  • Cement & Building Materials
  • Chemicals
  • Food
  • Animal Feed
  • Pet Food

Specification

Advantage Select is available in a basis weight range of 70 to 90 g/m².

Properties

 

Test method

 

Typical values

Basis weight

g/m²

ISO 536

 

70

80

90

Tensile strength

kN/m

ISO 1924-3

MD

CD

5.7

4.9

6.6

5.6

7.4

6.3

Tensile index

Nm/g

ISO 1924-3

MD

CD

82

70

82

70

82

70

Stretch at break

%

ISO 1924-3

MD

CD

7.8

8.5

8.0

8.3

8.0

8.2

Tensile Energy Absorption (TEA)

J/m²

ISO 1924-3

MD

CD

245

245

280

280

315

315

TEA index

J/g

ISO 1924-3

MD

CD

3.5

3.5

3.5

3.5

3.5

3.5

Tear index

mN.m²/g

ISO 1974

MD

CD

13.0

14.0

13.5

14.5

14.0

15.0

Air resistance

s

ISO 5636-5

 

5

5

5

Cobb 60"

g/m²

ISO 535

 

30

30

30

The table above shows typical values for certain basis weights.

Validity: 01.01.2017 – 31.12.2017
Test conditions: ISO 554 – 1976 (23 ± 1°C / 50 ± 2%)

MD= Machine Direction
CD= Cross Direction