Quality Standards
Aluminium Composite Pannels Enginnering Properties

Alloy 3105 H42 3005 H 42
Thickness 0.5mm 0.5mm
Tensile strength >=160 N/Sq.mm >=175N/Sq.mm
0.2% Proof stress ; >=130N/Sq.mm >=155N/Sq.mm
Elongation >=7% >=4%
Mod of Elasticity =70,000N/Sq.mm =70,000N/Sq.mm
Property Value/Result Standard
Vicat softening point 83 Deg.c BS 7413
Tensile yield stress at 23 Deg.c 42.3 Mpa BS 7413
Elongation at break 110% BS 7413
Impact srength 14.3KJ/sq.m DIN 53453
Charpy inmpact SV 23.52KJ/sq.m DIN 53453
Tensile impact 827KJ/Sq.m EN ISO 8256
Heat reversion 1.53% BS 7413
Difference in reversion between individual faces 0.01% BS7413
Heat aging test at 150Deg.c No bubles,crackes or visual delamination BS 7413
Modules of elasticity 2349mpa DIN EN ISO 572  
Thermal conductivity 0.16 BS 7413
Titnium dioxiode content >=8% NIL
ARTIFICAL WEATHERING TEST
Irradiance : 0.55W/S q.m No visual change BS 7413
Tempreature 70deg.c No visual change BS 7413
Hours exposed No visual change BS 7413
Light/Dark:544/430 Xenon colour fastness L*-94.08 08 RAL GZ 716/1
  a*- -1.13 ISO A03
  b*- 0.30  
  E*- <=5  
Colour fastness 4-5 gray scale BS 1006
Hunterlab pro Gloss at 60- Deg.c 70.30 RAL GZ 716/1