Fibercement Lam Technical Specifications
Product Type : These are autoclaved paper and polypropylene foil laminated fibercement sheets
Material Properties : Resistant to weather conditions, easily handled with hard wood processing tools
Lamination Material : Polypropylene (Alkorcell) or imprenated paper foil.
Dimensions : 1250 x 2500mm veya 1250 x 3000 (azami 3150 mm)
Thickness : 6 – 20 mm
Tolerance on length : ± 5 mm
Tolerance on width : ± 3,75mm
Tolerance on thickness : ± %10 e (smooth sheet) - %10 e / + 15 % e (textured sheet) (e : sheet thicknessı)
Squareness of edges : ± 2 mm /m
Straightness of edges : ± % 0,1 a (a : levha genişliği veya uzunluğu)
Surface appearance : Smooth or textured (cedar texture)
Apparent density : 1350 ± 50 kg /m3
Frost Resistance : Frost resistant according to TS EN 12467
Water impermeability : Impermeable according to TS EN 12467
Diffusion resistance number : µ = 250
Porosity : % 30
Modulus of rupture (textured sheet) : 18,0 N /mm2 (machine direction=longitudinal) : 12,0 N / mm2 (transverse to machine direction)
Modulus of rupture (textured sheet) : 15,0 N /mm2 (machine direction=longitudinal) : 10,0 N / mm2 (transverse to machine direction)
Pressure strength : 30,0 N /mm2 (perpendicular to sheet surface)
Tensile strength : 2,0 N /mm2 (perpendicular to sheet surface)
Reaction to fire : Fire resistant, (A1 Class building material according to EN 13501-1)
Release of asbestosı : Non-asbestos
Release of other dangerous substances : None
Thermal expansion coefficient : t : 0,005 mm / Mk
Thermal conductivity coefficient : λ = 0,18 W/mK
Modulus of elasticity : 8000 N /mm2 (machine direction=longitudinal) 6000 N / mm2 (transverse to machine direction)
Water absorption ratio : < 30 % (full saturation, including ambient moisture)
Moisture in storage : < 10 % (subject to ambient moisture)
Hygrical movement : 0,5 mm / m (full saturation)
Bending radius : 12 m