Main Products: 
1.Refrigerator application Cold Room are widely used in food process factory, dairy factory
USD $20 - $20 /Set
Min.Order:500 Sets
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I. What is Polyurthane Sandwich Panel Color Steel Plate/Sandwich Wall Panels:
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.
| Surface Treatment | Flat,Embossment | |
| Exterior Pattern | Small Ripple,Groove,Square Wave,Flat | |
| Interior Pattern | Square Wave | |
| Dimension(Mm) | Width | 1000 |
| Length | 2500≤L≤18000 | |
| Thickness | 33 50 75 100 | |
Steel Thickness Mm | Exterior Steel | 0.5-0.8 |
Interior Steel | 0.4-0.5 | |
Steel Coating | (≥20um) Fluorocarbon Type,Stainless,High Weather Resistant Polyester(Coating≥20um) | |
| Core Material | PU() PU(Polyurthane) | PIR() PIR(Polyisocyanurate) |
| Core Material Density | 40-43 | 45-50 |
| Core Material Heat Conductivity Coefficient | 0.022 | 0.02 |
| Closed Porosity | ≥97 | ≥97 |
| Flame Retardant Property | B1 | A- |
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