Discontinuous PU sandwich panel

The product line is consisted of the press and the rail stands. Two worktables are to move into the press and the other two stay on rail stands. Initially, put the top and the bottom facing sheets inside of mould frames and then do the necessary sealing work. After that, feed the worktables into the press. When worktables inside the press moves out orderly, the other two feed in at the same time. Upon the finish of feeding, the press will close and slant at a angle, waiting for the injection PU raw materials from the PU mixing head into different panels. Meanwhile materials start foaming and curing. At this time, mould frames on worktables moved out can be opened and the finished products can be unloaded to get ready for next production cycle.

Advantages of Discontinuous PU Sandwich Panel:

• Panels are produced faster than conventional ones: demoulding times are 30-35% shorter.
• The average distribution foam - at equal overall density - is better than in conventional panels.
• Scrap parts - and all relevant disposal or repairing costs - are virtually eliminated nice and clean quality panels are supplied, with very high mechanical properties and state-of-the-art insulation efficiency.

Technical Datas of Discontinuous PU Sandwich Panel:

Raw material	Color coated steel coil or Aluminum sheet
Coil thickness
Coil width	1060-12500mm
Line speed
Core density	About 40(Kg/m2)
Panel length	1~12mm
Panel width	1,000mm
Panel thickness	40~150mm
Foam system	PU or PIR rigid foam
Foam density	approx 35~45 kg/m3
Inner height or building	6m
Thermal conductivity
Tensile strength	300–500 (KP a)
Water vapor transmission
Bending strength	550–560 (KP a)
Stable operating temperature	-40to+50(°c)
Required man power PU line	4-6 workers

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