ALCAN COMPOSITES

Thickness

Unit

3 mm

4 mm

Thickness of
Aluminium Layers

 

[mm]

0.3

Weight

 

[kg/m²]

3.8

4.75

Width

 

[mm]

1000 / 1250 / 1500

Technical properties

Section modulus

W

[cm³/m]

0.81

1.11

Rigidity

E·J

[kNcm²/m]

865

1620

Alloy 

 

 

3xxx or 5xxx series 

Linear Thermal Expansion

 

 

2.4 mm/m at 100ºC temperature difference

Core

Polyethylene, Type LDPE

 

[g/cm³]

0.92 mm

Surface  

Lacquering

 

 

Coil Coating
Fluorocarbon based (e.g. PVDF)

Gloss (initial value)

 

[%]

30-80

Pencil Hardness

 

  

HB-F

 

Acoustical Properties

Sound Absorption Factor

as

 

0.05

Sound Transmission Loss

Rw

[dB]

24

25

Loss Factor

d

[mm]

0.0057

0.0072

 

Thermal Properties

Thermal Resistance

R

[m²K/W]

0.0080

0.00113

Coefficient

U

[W/m²K]

5.61

5.50

Temperature Resistance

 

[ºC]

 -50 to +80