Properties
|
Standard |
Basic properties
|
|
Thickness |
EN 20534 |
Thickness corrugated board |
ISO 3034 |
Grammage |
EN ISO 536 |
Strength properties
|
|
Tensile strength + Stretch at break |
EN ISO 1924-2 |
Tensile strength, Tensile stretch,
Tensile energy absorption, Tensile stiffness |
EN ISO 1924-3 |
Tensile strength after immersion in water |
ISO 3781 |
Tearing resistance (Elmendorf) |
EN 21974 |
Tear growth (Brecht-Imset) |
DIN 53115 |
Compressive strength (short span test) |
IS0 9895 |
Ring crush test (RCT) |
ISO 12192 |
Flat crush resistance (FCT) |
EN 23035 |
Flat crush resistance after laboratory fluting (CMT) |
EN ISO 7263 |
Edgewise crush resistance (ECT) |
EN ISO 3037 |
Puncture resistance |
ISO 3036 |
Scott internal bond strength |
UNI 9439 |
Folding endurance (Schopper) |
ISO 5626 |
Folding endurance (Kohler-Mölin) |
ISO 5626 |
Bursting strength paper |
ISO 2758 |
Bursting strength board |
ISO 2759 |
Bursting strength corrugated board |
ISO 2759 |
Stiffness properties
|
|
Bending stiffness resonance method |
ISO 5629 |
Bending resistance (7.5° 15°; 50 mm, Taber) |
ISO 2493 |
Bending stiffness static (5°; 50 mm) |
ISO 5628 |
Bending resistance (15°; 10 mm) |
ISO 2493 |
TSO – Tensile stiffness index MD, CD, orientation angle |
--- |
Surface properties
|
|
Smoothness Bekk |
ISO 5627 |
Roughness Bendtsen |
ISO 8791-2 |
Roughness Parker Print-surf |
ISO 8791-4 |
Coefficient of friction static, dynamic |
ISO 15539 |
Coefficient of friction, inclined plane |
UNI 9802,
DIN 53119-2.
NF Q 03-083 |
Structural properties
|
|
Air permeance , Schopper |
ISO 5636-2 |
Air permeance, Bekk |
--- |
Air permeance, Bendtsen |
ISO 5636-3 |
Air permeance, Gurley |
ISO 5636-5 |
|
Properties
|
Standard |
Optical properties
|
|
Rx, Ry, Rz (illuminant C, UV adjusted) |
ISO 2469 |
Rx, Ry, Rz (illuminant D65, UV adjusted) |
ISO 2469 |
ISO Brightness (illuminant C, UV adjusted or UV excluded) |
ISO 2470 |
ISO Brightness (illuminant D65, UV adjusted or UV excluded) |
ISO 2470-2 |
Opacity (illuminant C, UV adjusted) |
ISO 2471 |
CIE Whiteness (illuminant D65, UV adjusted or UV excluded) |
ISO 11475 |
L*, a*, b* (illuminant C, UV adjusted)
white and coloured paper |
ISO 5631-1 |
L*, a*, b* (illuminant D65, UV adjusted)
white and coloured paper |
ISO 5631-2 |
Gloss 75° |
ISO 8254-1 |
Tissue properties
|
|
Single-sheet/bulking thickness |
EN ISO 12625-3 |
Tensile strength after immersion in water |
EN ISO 12625-5 |
Residual water absorption capacity and time |
EN ISO 12625-8 |
ISO Brightness (illuminant C, UV adjusted) |
EN ISO 12625-7 |
Tensile strength, Strech at break |
|
Chemical properties
|
|
Kappa number |
ISO 302 |
pH of aqueous extracts |
ISO 6588 |
Alkali reserve |
ISO 10716 |
Residue (ash) at 525°C |
ISO 1762 |
Residue (ash) at 900°C |
ISO 2144 |
Printability properties
|
|
Resistance to picking IGT |
ISO 3783 |
Print penetration IGT |
IGT W24 |
Print Gloss 60°, 75° |
ISO 2834 |
L*, a*, b* printed paper, Illuminant D50 |
ISO 13655 |
Optical density printed paper |
ISO 5-4 |
Linearity of a densitometer |
ISO 5-4 |
Miscellaneous
|
|
Water absorption Cobb 60s (paper) |
EN 20535 |
Water absorption Cobb 600s (board) |
EN 20535 |
Water absorption Cobb 1800s (corrugated board) |
EN 20535 |
Drainability (Schopper-Riegler) |
EN ISO 5267-1 |
Drainability (“Canadian Standard” Freeness) |
EN ISO 5267-2 |
Fibre length, fibre width |
ISO 16065 |
Relative humidity |
EN 20187 |
|