Shijiazhuang Yulong Colorsteel Profiled sheet Co.
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Kian Sandwich Panel Production
In the de-coiler, upper and lower steel facings are unwound and then fed into the profiling unit where they are profiled according to the planned geometric design.
Kian Sandwich Panel Production
Then according to the desired thickness of the sandwich panels, the two facings are brought together at the desired distance and are heated to the temperature necessary for foaming.

Kian Sandwich Panel Production
In the foaming station, the liquid reactive mixture is released continuously into the gap between the upper and lower facings. The reactive mixture foams up and fills the space between the two facings.
Kian Sandwich Panel Production
The calibration unit then takes over the pressure of the rising foam and maintains the programmed panel thickness until the foam hardens.
Kian Sandwich Panel Production
After the foam has hardened, the sandwich panels

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