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Sandwich Panels, Aluminum and Thermoplastics honeycombs and Foams

Polypropylene

Thanks to its chemical-resistance and its reliability in aggressive environments, polypropylene honeycomb can also be used as support for filters to reduce corrosive gas emissions.

Cel supplies different types of polypropylene honeycomb:
•    Polypropylene honeycomb without TNT (PP 8.80)
•    Polypropylene honeycomb with TNT (a thin thermo-welded sheet on both sides; PP 8-80 T30, PP8-120 T30)
•    Polypropylene honeycomb with TNT and a plastic film (thermos-welded on both sides; PP 8-80 T30 F75)

Polypropylene honeycomb, one of the core materials in sandwich panels, is bonded to different materials (aluminium sheets, high pressure laminate skins, marine plywood, fibreglass, etc.), and can be thermo-welded or glued to TNT or technical fabrics, which makes the production of sandwich and lightweight panels easier.

Polypropylene honeycomb is also used as flat surface for cutting tools (waterjet cutting machines).

 

Possible variable: thickness: 3.5 mm

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Polypropylene
Application areas Wind Energy Sector Laser and Waterjet Cutting Automotive

 

TECHNICAL FEATURES

Honeycomb core’s properties

Type

8.80

8.80T30

T30F75

8.120T30

Cell size mm

8

Colour

white

Density kg/m3

801

120

Compressive strength MPa

1,5

1,60

1,60

3,4

Compressive modulus MPa

70

90

Shear strength MPa

-

0,50

0,50

1

Shear modulus MPa

- 12 13 18

Effective temperature range °C

from -30 to +80

Maximum width mm

1400 1500 1500 1500

Minimum width mm

1002

600

Maximum length mm

29502

- -

30002

Width tolerance mm

+/- 4

Tolerance length mm

+/- 4

CORE’S thickness mm

7 - 100

7 - 65

6 - 65

5 - 65

*    T30: - thermowelded foil  30gr/m3 for adhesion.
**    T30F75: thermo-welded tissue for wet lay-up.
1     Density referred to the block dimension
2     on request
-     Other dimensions, core heights and types upon request.

-     Minimum order quality for each type: 10 pallets.

 

 

 

 

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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