Polyurethane sandwich panel choose high quality two layer color coated steel sheet or other precision forming metal surface material; After rolling forming, it will inject flame retardant polyurethane bubble liquid in the middle space, through high pressure foaming and curing process, with strong adhesion with metal surface to compound and become beautiful, smooth, tough building panel.
Advantages:
1.easy construction
2.Significant energy saving effect
3. Stronger decorative effect and more options:
4. Be widely used:
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