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Panel Dimensions 3mm 4mm
Panel Thickness 3mm 4mm
Aluminium Thickness 0.3mm 0.5mm
Product Properties    
Weight 4.1 kg m2 5.8 kg m2
Sound Absorbtion NRC 0.05 0.05
Sound Absorbtion Rw db 24 25
Water Absorbtion % By Volume 0.01 0.01
Thermal Performance R Values 0.0057 0.0012
Peel Strength 180° >5 N/mm  
Stripping Roller   >130 N. mm/mm
Dimensional Tolerances  
Thickness ±0.2 mm
Width ± 2 mm
Length ± 3 mm
Diagonal ± 5 mm
Thermal Expansion 2.4mm/m @100℃ Temp Difference
Aluminium Thickness ± 0.02 mm
Surface Properties  
Paint Thickness PVDF Coating 227um Polyester Coating ≥16um
Pencil Hardness H
Toughness of Coating 2T no craking
Temperature Resistance -50℃ to 70℃
Reverse Strength Crosshatch 50 kg cm2 no pick of
Boiling Water Resistance Boiling for 2hrs without change
Acid Resistance Immerse Surface in 5% Hc1 for 24hrs without change
Alkali Resistance Immersed Surface in 2% NaOH for 24hrs without change
Oil Resistance Immerse Surface in 20# engine oil for 24hrs without change
Solvent Resistance Cleaned 100 times with Dimethylbenzene without change

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