Invercote GAW2

Invercote GAW2

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Solid Bleached Board

Invercote is a multi-layered product (SBB), entirely based on fresh fibres. Specific fibre compositions are used for the various layers in the construction to optimise performance. The outer layers are dominated by hardwood fibres to promote smoothness and printability. The middle layer consists of softwood fibres for strength and flexibility.

Product description

Invercote GAW2 is designed for graphical products and prestige packaging where an exceptional aesthetic result is desired. Invercote GAW2 has an ultra-smooth surface that is tailored to faithfully reproduce the most sophisticated printed images and to meet the high demands of flawless foil and film lamination. This surface, combined with Invercote GAW2’s excellent structural, design and embossing characteristics make it ideal for the most demanding printing applications. The printing side is triple coated and the reverse side is single-coated, both sides are finished to a matt level. This strength gives several advantages in carton designing and processing, in packaging operations, and in the use of the package itself.

Invercote/Inverform
Certifications & Standards

Product related

Possible to order as:

  

100% PEFC certified (PEFC/05-33-105)

FSC® Mix Credit 
(FSC-C110018)

Food safety

Archiving

Toy safety

Certificate no:
TUEV-PEFC-COC-117551

Certificate no:
TUEV-COC-000232

EC 1935/2004

EC 2023/2006

FDA 21 CFR

German BfR XXXVI

Acid free

EN 71 Part 3

EN 71 Part 9
All fibres from sustainable and controlled sources in compliance with the EU Timber Regulation EC 995/2010.
EcoVadis Platinum Medal awarded in 2024 (top 1% of all companies assessed).
 

Mill related

ISO 9001

ISO 14001

ISO 45001

ISO 50001

FSSC 22000

For more detailed information about our certificates, visit iggesund.com/certificates.

Properties - Print side

Tolerances Methods/Remarks
Grammage (g/m²) 220-330 +/-4% ISO 536
Colour L* - PS 95.5 +/- 0.8 ISO 5631-2
Colour a* - PS 1.0 +/- 0.6 ISO 5631-2
Colour b* - PS -4.0 +/- 1.1 ISO 5631-2
Whiteness - PS 107 +/- 5 ISO 11475
ISO Brightness R457 - PS (%) 90 +/-2 ISO 2470
Surface roughness PPS - PS (µm) 0.9 ≤1.4 ISO 8791-4
Board gloss 75° - PS (%) 40 +/-10 ISO 8254-1
Surface strength IGT blister - PS (m/s) 0.7 ≥0.5 ISO 3783
Surface strength IGT pick - PS (m/s) 1.3 ≥0.8 ISO 3783
Cobb - PS (g/m²) 30 ≤40 ISO 535

Properties - Reverse side

Tolerances Methods/Remarks
Grammage (g/m²) 220-330 +/-4% ISO 536
Colour L* - RS 96.7 - ISO 5631-2
Colour a* - RS 1.6 - ISO 5631-2
Colour b* - RS -7.5 +/- 1.1 ISO 5631-2
Whiteness - RS 125 - ISO 11475
ISO Brightness R457 - RS (%) 94 - ISO 2470

Common properties

Tolerances Methods/Remarks
Grammage (g/m²) 220-330 +/-4% ISO 536
Moisture content (%) 6.0 +/-1.0 ISO 287
Ply bond (J/m²) 160 ≥120 Tappi 569
Robinson taint <0.6 - EN 1230-2

Robinson taint value is below the detection limit of 0.6.

Grammage dependent properties

Tolerances Methods/Remarks
Grammage (g/m²) 220 240 300 330 +/-4% ISO 536
Surface roughness PPS - RS (µm) 5.0 5.0 5.0 5.0 - ISO 8791-4
Cobb - RS (g/m²) 30 30 30 30 ≤40 ISO 535
Thickness (µm) 260 300 395 435 +/-4% ISO 534
Caliper (pt) 10.2 11.8 15.6 17.1 - ISO 534
Opacity (%) 97.0 97.6 98.6 98.8 - ISO 2471
Bending stiffness L&W 5° - MD (mNm) 11.9 16.2 38.5 50.8 - ISO 5628
Bending stiffness L&W 5° - CD (mNm) 5.4 7.5 16.0 21.0 - ISO 5628
Bending resistance L&W 15° - MD (mN) 140 190 405 550 -15% ISO 2493-1
Bending resistance L&W 15° - CD (mN) 64 83 180 230 -15% ISO 2493-1
Bending moment Taber 15° - MD (mNm) 6.8 9.2 19.6 26.5 - ISO 2493-2
Bending moment Taber 15° - CD (mNm) 3.1 4.0 8.7 11.1 - ISO 2493-2
Tensile strength - MD (kN/m) 20.0 21.5 25.5 28.0 -15% ISO 1924-2
Tensile strength - CD (kN/m) 10.5 11.0 12.5 13.5 -15% ISO 1924-2
Tearing resistance - MD (mN) 2700 3100 4300 4700 -15% ISO 1974
Tearing resistance - CD (mN) 2800 3300 4600 5100 -15% ISO 1974

Last updated 23 Oct 2024

Bending Moment Taber is a calculated value based on a correlation factor of 20.7.

Test method

All properties are measured in test climate 23°C/50% RH at Iggesund mill. Tolerances and max/min levels, when stated, are based upon 95% confidence interval within each production run.

Read more about testing methods in our section about General Technical Information.

 

Online version

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