Thickness

Unit

6 mm

10 mm

15 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 modulus

W

[cm³/m]

2.5

4.5

13.1

18.1

23.1

Rigidity

E 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 Factor

αs


0.05

Airborne sound insulation index (acc. to ISO 717-1, ISO 140-3)

Rw

[dB]

21

21

22

23

25

 

Thermal Properties

Termal conductivity (regarding total thickness, incl. cover sheets)

λ

[W/mK]

0.95

1.35

1.78

2.25

2.70

Thermal resistance

R

[m²K/W]

0.0063

0.0074

0.0084

0.0089

0.0093

Temperature resistance

 

[ºC]

-40 to +80