Kerdyn™ Green FR – a versatile working material
> Good mechanical properties (pressure and shear properties)
> Broad process compatibility due to high temperature and chemical resistance
> Recyclable polymer
> Optimal insulation properties
> Light-weight and cost-efficient composite structure
> Minimal water absorption
> Broad density spectrum
To produce Kerdyn® Green FST, PET granulate from the recycling process (drink bottles) is molten in an extruder and mixed with various additives and a propellant. This material is then extruded in an endless cord made up of many small “strings”.
After the extrusion tool, the strings unite into a raw board of a thickness, depending on density, of approx. 50-70 mm and a width of approx. 1050 mm.
After a cooling period, the raw board is cut to a length of approx. 1300 mm and formatted quadrilaterally.
The thickness of the board is thereby reduced to approx. 45 mm.
In the next process, the raw boards undergo heating and are then welded into a block layer by layer.
After reaching its maximum size, the block is formatted six-sidedly to the size of 1005 x 1250 x 2400 mm.
The required boards are cut from this block.
This sophisticated process is selected to transfer the high mechanical properties parallel to the direction of extrusion into the board surface.