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Sandwich Panels, Aluminum and Thermoplastics honeycombs and Foams

Compocel ALF

COMPOCEL® ALF is a lightweight panel composed by a core in EPS "extruded polystyrene" and bonded with aluminium faces. Foam core is offered in different densities while aluminium faces (skins) can be painted according to the needs of our clients. Normally, COMPOCEL® ALF is applied in vans and in the building sector.

 

  A - SKINS OF ALUMINIUM prepainted in white,
  Thickness mm: 1,0

 

  B - STRUCTURAL ADHESIVE

 

  C -  CORE IN FOAM

 

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On request:

• skin in different colours
• different types and thicknesses of polystyrene foam (for more information see data sheet “PVC foam cores”)

 

 

TECHNICAL FEATURES

Technical data sheet for standard panels (dimensions, materials and special finishes on request)
TECHNICAL CHARACTERISTICS OF PANEL
Panel Thickness mm
from 5 to 100
panel size mm
standard 1250x2500/1500x3000 other dimensions on request
thickness’ tolerance mm
± 0,4
dimension’s tolerance mm
± 30
planarity **  mm/m
1
skins’ thickness mm
from 0,5 to 5,0
skin alluminium alloy
1000 series, 3000 series, 5000 series
core materials
PET foam/PVC foam
foam density Kg/m³
from 40 to 250
adhesive

Two-component polyurethane 

skin characteristics
rough/primer/polyester/PVDF 
PANEL PHISIC AND MECHANIC PERFORMANCES
type panel (some examples) - Panel Thickness mm
                                                               
type panel (some examples) - Skin Thickness mm
10
15
20
25
30
10
15
20
25
30
1,0 + 1,0
1,0 + 1,0
panel weight  ‡  Kg/m2
6,8
7,2
7,6
8,0
8,4
7,3
8
8,6
9,3
7,6
core material
PET foam
PET foam
foam density ISO 845 Kg/m³
80
135
compressive stabilised strength  
ASTM C 365-365 M Mpa
0,9
2,3
shear modulus CORE ISO 1922 MPa
16
35
maximum load*  ‡  ASTM C 393 † N
320±30
460±50
610±60
760±80
900±90
560±60
830±80
110±100
1370±130
1640±160
deflection at maximum load* ‡  ASTM C 393 † mm
6±1
5±1
4±1
4±1
3±1
9±1
6±1
5±1
4±1
4±1
skins E Elastic Modulus Mpa
68.000 - 70.000
moment of inertia I **   mm4/m
40600
98100
180600
288100
420600
40600
98100
180600
288100
420600
average resistance to peeling * 
ASTM D1781-98 (2012)
> 440 N/76 mm  - 17 Nmm/mm
> 480 N/76 mm  - 23 Nmm/mm
maximum service temperature **  °C
- 40 / + 80
thermal expansion coefficient ** °C-1
2,3 x 10-5


*    Tested by Internal Laboratory
**   Approximate value
†    Sample dimension with 4 support points (L, W) 540x50mm; distance among the lower points 500mm, distance among the upper points 250mm.

 

PROCESSING METHODS​

Pittogrammi lavorazione

STANDARD DIMENSIONS (other dimensions available on request)

Disclaimer

LIABILITY DISCLAIMER: The above data are to the best of our knowledge correct and are intended to give information about our products and their potential applications. No warranty is given or implied in respect of certain properties of the products or their suitability for a particular application. We reserve the right for technical changes without further notice. We guarantee impeccable product quality under our terms of sale.