ThicknessUnit6 mm 10 mm15 mm
20 mm
25 mm
Cover sheet thickness, front   [mm] 1.0 mm
Cover sheet thickness, rear    [mm] 0.5 0.5 1.0 1.0 1.0
Weight  [kg/m²] 4.7 5.0 6.7 7.0 7.3
 
Technical properties
Section modulusW [cm³/m] 2.5 4.5 13.1 18.1 23.1
RigidityE J [kNcm²/m] 7.100 21.900 75.500 138.900 221.600

Alloy / Temper of Aluminium Layers

(accord. to EN 485-2 / EN 1396:2007)

    EN AW-5005A
(AIMg1)
H22 / H42
EN AW-5005A (AIMg1)
H28 / H48
(H22 / H42)
Modulus of Elasticity  E[N/mm²]

70.000

Tensile Strength of Aluminium Rm [N/mm²] ≥ 125≥ 185 (125)
Proof Stress Rp0,2 [N/mm²] ≥ 80≥ 160 (80)
Elongation A50 [%] ≥ 5≥ 2 (5)
Linear Thermal Expansion  α  2.4 mm/m at 100ºC temperature difference
 
Core
Bare compressive strength [N/mm²]approx. 2.5
Cell size [inch] (mm) 3/8 (9.5)
 
Surface  
Lacquering   

Coil Coating

Fluorocarbon (e.g. PVDF)

Gloss (initial value)  [%] 25-40
Pencil Hardness    HB-F
 
Acoustical Properties
Sound Absorption Factorαs
0.05
Airborne sound insulation index (acc. to ISO 717-1, ISO 140-3)Rw [dB] 2121222325
 
Thermal Properties
Termal conductivity (regarding total thickness, incl. cover sheets)λ [W/mK] 0.95 1.35 1.78 2.25 2.70
Thermal resistanceR[m²K/W] 0.0063 0.0074 0.0084 0.0089 0.0093
Temperature resistance  [ºC] -40 to +80