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Sandwich Panels, Aluminum and Thermoplastics honeycombs and Foams

ALUSTEP® 500 LIGHT is a sandwich panel with a core in aluminium honeycomb faced with fiber glass impregnated with epoxy resin.
ALUSTEP® 500 LIGHT is a sandwich panel with a core in aluminium honeycomb faced with fiber glass impregnated with epoxy resin.

Alustep 500 light

ALUSTEP® 500 LIGHT is a sandwich panel with a core in aluminium honeycomb faced with fibre glass impregnated with epoxy resin.

This panel offers unique characteristics since it combines lightweight with high mechanical properties. The application of these panels for example permits huge savings as far as weight and thickness of the slabs of natural stones, such as marbles and granite and mosaics are concerned. In this way, also costs can be reduced.

 

  A - SKINS IN BIDIRECTIONAL GLASS FIBRE FABRIC
  500g/m2 impregnated with epoxy resin

 

  B - CORE
  Aluminium honeycomb (Alloy series 3000*)
  Diameter: Ø1/4”, Ø3/8”,**
  Thickness foil: from 50 to 70 microns

 

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Thickness starting from 4 mm to 80 mm

*To Aluminium alloy series 3000 belong: Aluminium alloy 3003, Aluminium alloy 3005, Aluminium alloy 3103, Aluminium alloy 3104

** Ø3/8” on request

 

Alustep 500 light
Application areas Shipyards and Shipbuilding Stone Reinforcement Stone Reinforcement Building Industry Interiors Sandwich panels for floor applications

 

TECHNICAL FEATURES

Technical data sheet for standard panels (dimensions, materials and special finishes on request)
TECHNICAL CHARACTERISTICS OF PANEL
thickness of the panel mm
from 5 to 50
panel size mm
standard 1250x2500/1500x3000 On request up to 1500 x 4000
thickness’ tolerance mm
± 0,3
dimension’s tolerance mm
± 30
skins’ thickness mm
0,5
glass fibre skin
Glass fiber Plain 500 gr / m²  600 tex
honeycomb alluminium alloy
3000 / 5000 series
thickness of honeycomb foil μm
50 and 70
diameter of honeycomb Ø = mm
from 3 to 19
honeycomb density Kg/m³
from 20 to 116
adhesive
Epoxy Resin
PANEL PHYSICAL AND MECHANICAL PERFORMANCES
type panel (some examples) mm
5
10
15
20
25
30
35
panel weight ‡ Kg/m2
2,0±0,2
2,3±0,2
2,6±0,2
2,9±0,2
3,2±0,2
3,5±0,2
3,8±0,2
compressive stabilised strength ** ‡ ASTM C 365-365 M Mpa
2,9±0,3
maximum load ** ‡ ASTM C 393 † N
180
400
620
840
1080
1280
1500
deflection at maximum load ‡ ASTM C 393 † mm
49±6
25±3
16±2
12±2
10±1
8±1
7±1
skins E Elastic Modulus ** Mpa
26'000±2'000
moment of inertia I ** mm4/m
5'080
22'580
52'500
95'000
150'000
217'580
297'580
middle resistance to peeling ** ‡ ASTM D1781-98
(2012)
>500 N/76 mm or >50 Nmm/mm
maximum service temperature ** °C
- 50/ + 90
thermal expansion coefficient *** °C-1
1,5*10^-5

 

*  Tested by Certificating Institute
** Tested by Internal Laboratory
*** Approximate value
† Sample dimension with 4 support points (L, W) 540x50
‡ All values refer to a panel made of aluminum honeycomb with a cell diameter 6 mm 56 kg/m3 and two-components polyurethane adhesive

Honeycomb core’s properties
50 Microns
Type
ALUMINIUM ALLOY 3003/3005/3103/3104
Ø honeycomb in mm
6
9
Ø honeycomb in inches
1/4"
3/8"
Density kg/m3
56 - 59
39 - 40
Compressive stabilised
strength MPa
3,0 - 3,5
1,4 - 1,95
Honeycomb core’s properties
70 Microns
Type
ALUMINIUM ALLOY 3003/3005/3103/3104
Ø honeycomb in mm
6
9
Ø honeycomb in inches
1/4"
3/8"
Density kg/m3
80 - 83
54
Compressive stabilised
strength MPa
4,3 - 4,6
2,5 - 2,6

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.