Papper

Papper

Generally

• Ash content
• Conditioning of sheets
• Moisture
• Grammage
• Thickness, bulk and density
• Air permeance, Bendtsen
• Air resistance, Gurley

Strength properties

• Tensile strength
• Dennision waxtest
• Tear resistance
• Scott Bond
• Burst strength
• Folding endurance
• Tensile strength in Z
• Youngs modulus in z-led

Optical properties

• Fluorescence
• Color
• L*, a*, b* (CIELAB)
• Light absorption coefficient, k
• Light scattering coefficient, p
• Brightness
• Opacity
• Gloss
• Tint
• Whiteness CIE

Surface properties

• Absorbency Emtec
• Coating/pigment surface coating
• Friction
• Gloss
• Calendering
• Contact angle
• Surface roughness, Bendtsen

Structure

• Structure thickness and density

Stiffness and compression properties

• FCT
• RCT
• SCT
• Bendiing resistance

Absorbency

• Capillary rise, Klemm metod
• Water absorbtion, Cobb method
• Water vapor passage floating/paper

Våtstyrkeegenskaper

• Dragstyrka våt
• Dragstyrka efter vätning
• Initial våtstyrkeindex
• Initial våtstyrka

Formation

• Betaradiogram <100 gsm

Moisture

• Moisture effects, climate chamber
• Shrinkage of tensioned sheets

Persistence

• Accelerating aging
• Accelerating aging 80°C 65% fukt
• Accelerating aging 120°C eller 150°C
• Age resistance, document paper
• Age resistance, archival paper
• Light ageing, xenon light

Contacts