Introduction of polyurethane PU wall panel:
PU wall panel are anti-leakage sandwich roof panels, polyurethane rigid foam insulation panels, polyurethane composite panels, and PU panels. Strictly speaking, it should be a polyurethane thermal insulation sandwich panel for construction.
The bonding strength of the PUR sandwich panel is not less than 0.09MPa, the combustion performance of the sandwich panel reaches B1 level, and the flexural bearing capacity When the deflection of the sandwich panel is Lo/200 (Lo is the distance between the supports), the flexural bearing capacity of the sandwich panel is The force is not less than 0.5Kn/㎡. The effective width of the plate is usually 1000mm, and the length can be customized. The production of PIR sandwich panels requires an advanced continuous production line for sandwich panels.

Features of PU wall panel:
The PNS Brand PUR building exterior wall panel (seamless) is suitable for vertical or horizontal installation of external walls. Scientific joint design, effectively prevent rainwater leakage of vertical mounting panels.
Product Name | PUR Wall Sandwich Panel | PIR Wall Sandwich Panel |
Model | WL500-1000/PUR | WL500-1000/PIR |
Metal sheet | 0.4-1.2mm | |
Thickness | 50/75/80/100/120/150mm | |
Effective width | 500-1000mm (Regular 1000mm) | |
Length of panel | ≤11.8 meters | |
Core material | PU/PUR (Polyurethane) | PIR ( polyisocyanurate ) |
Density | 40~42 KG/M3 | 45~48KG/M3 |
Thermal conductivity (25℃) | ≤0.022/(m.k) | ≤0.0195w/(m.k) |
Fireproof grade | B2 | B1 |
Combustion performance | ≥ D | ≥ B |
Color of steel plate | White grey,silver gray,sea-blue,red or as per RAL | |
Installation method | 1. horizontal ; 2. vertical | |
connection type | Hidden nail connection | |

Advantages of polyurethane PU wall panel:
Polyurethane color steel sandwich panel is made of two layers of 0.5~0.8mm high-quality color steel plate, with a rigid foamed PUR/PIR core material in the middle. The surface metal plate is made of color galvanized steel (galvanized steel or color steel) Anti-corrosion, anti-rust and weather resistance; core material polyurethane is the best thermal insulation and heat insulation material at home and abroad.
Light weight: The weight of the PU wall panel per square meter is only 10 to 14 kilograms.
Application areas of PU wall panel:
PU wall panel are used majorly in facades, partition wall ceilings, architectural claddings , Container constructions, machine coverings, warehouses, power plants and other industrial and commercial places. The panels are also used in cold rooms and food industry construction.

Allowable span and heat transfer coefficient of PNS’ polyurethane PU wall panel (allowable deflection f≤L/200 ):
Thickness of pane | Heat Conductivity | Weight | Load capacity |
| ||||
mm | W/M2K | kg/㎡ | P=KN/㎡ | 0.60 | 0.80 | 1.00 | 1.20 | 1.50 |
50 | 0.31 | 10.06 | L(m) | 3.52 | 3.04 | 2.69 | 2.42 | 2.11 |
75 | 0.21 | 11.06 | L(m) | 4.71 | 4.09 | 3.64 | 3.29 | 2.89 |
100 | 0.19 | 12.05 | L(m) | 5.76 | 5.02 | 4.47 | 4.05 | 3.56 |
120 | 0.16 | 12.84 | L(m) | 6.53 | 5.68 | 5.07 | 4.6 | 4.04 |
150 | 0.11 | 14.04 | L(m) | 7.56 | 6.58 | 5.87 | 5.32 | 4.68 |
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