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Sandwich Panels, Aluminum and Thermoplastics honeycombs and Foams

Pet-Step

PET-STEP is a lightweight sandwich panel with a core in PET foam with glass fibre reinforced with epoxy resin.
This panel offers unique characteristics since it combines lightweight with high mechanical properties. The application of this 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 the costs of these materials can be reduced.

 

 

 A - FIBREGLASS IMPREGNATED
 with epoxy resin 500gr/m2
 

  B - CORE
  PET foam core

 

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Pet-Step
Application areas Shipyards and Shipbuilding Stone Reinforcement Stone Reinforcement

 

TECHNICAL FEATURES

Technical data sheet for standard panels (dimensions, materials and special finishes on request)
TECHNICAL CHARACTERISTICS OF PANEL
panel thickness mm
from 8 to 60
panel size mm
standard 1000x2500 other dimensions available on request
thickness’ tolerance mm 
±0,4
dimension’s tolerance mm
 ± 30
skins’ thickness mm
0,4
Impregnation
epoxy resin
glass fibre skin type
Glass fibre Plain 500 gr/m² 600 tex
core materials
PET foam core
core thickness µm
from 7 to 60
diameter of honeycomb mm Ø = mm
from 3 to 19
core density Kg/m³
from 40 to 250 
adhesive
two-component epoxy
PANEL PHYSICAL AND MECHANICAL PERFORMANCES
panel thickness mm
10
20
30
10
20
30
panel weight ‡ Kg/m2
2,9±0,3
3,7±0,3
4,5±0,3
3,4±0,3
4,8±0,4
6,1±0,4
core material PET foam core PET foam core
foam density Kg/m³ 80 135
compressive strength ASTM C 365-365 M  MPa
0,83
2,3
shear modulus  MPa
16
35
yield load ASTM C 393† N 220 560 800 390 780 1400
deflection at yield load  ASTM C 393†  mm 16±2 11±1 7±1 26±2 14±2 10±1
skins E Elastic Modulus ** Mpa 28’000±1’000
moment of inertia I mm^4/m 18'400 76'000 174'000 18'400 76'000 174'000
middle resistance to peeling  ** ASTM D1781 265 N/76mm - 17 Nm/m 300 N/76 mm - 23 Nm/m
thermal conductivity (referred to foam only) a 23°C  W/(m·°K) 0,034 0,037
thermal transmittance U (referred to foam only) a 23°C  W/(m²·°K) 3,8 1,8 1,2 4,1 2,0 1,3
service temperature  ** °C - 40/ + 80

**      Tested by Internal Laboratory
***     Approximate value
†       Sample dimension with 4 support points (L, W) 540x50 mm

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.

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