How To Make A PU Sandwich Panel?

What is  PU Sandwich Panel?

PU Sandwich Panel surface is generally galvanized steel plate or aluminum plate, is wrapped in hot-tie steel plate outside a layer of galvanized or aluminum plated, so as to prevent the outside of the insulation after a period of time appear rust, cracking, waterproofing, discoloration and so on.

Polyurethane: Polyurethane is a core material between the galvanized plate of the surface and the aluminum foil of the substrate, which acts as insulation, insulation, sound insulation and fire protection.

Aluminum foil: based on galvanized substrate material, play a role in heat reflection.

How to make a pu sandwich panel?

1. Roll up: Ready, steel roll on the shelf.
2.  Rolling embossed: Rolling flowers according to the requirements.
3.  Molding: According to the requirements of the selection of molding machine for molding.
4.  Injection: Foam ratio injection.
5. Laminated foaming: constant temperature foaming squeeze into the core material.
6.  Cutting: Set the specified length for cutting.
7. Packaging: Packing box.

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