PU Sandwich Panel with Precoated SteelSkin



This page mainly introduces our PU sandwich panel which istypically used as insulatedwall panels or insulatedroof panels. As its name indicates, this range of structural insulatedpanels employs rigid polyurethane foam as the insulation material, and twolayers of precoated steel plate are adopted as theouter skin.

The special structure, coupled with superior quality raw materials, providesthe PU sandwich panel with many advantages, such as good heat insulation, greatwater resistance, and high decoration performance. Thus, our PU sandwich panelsare widely used as architecturalpanels for the construction public buildings, commercialbuildings, industrial plants, and logisticswarehouses.

To suit individual demands, these PU sandwichpanels are prefabricated in our factory, and are available in a great number ofstyles and specifications. If you need prefab insulated panels, then this range ofpolyurethane sandwich panel is the optimum choice.

SINOSPAN is the brand name for our structural insulated panels. As an insulated metal panels specialist in China, we canproduce not only PU sandwich panels but also mineral wool sandwich panels.These composite panels can be used as wall paneling, roofing panels, cold roompanels, and more. If you have any demand on insulated sandwich panels, pleasedon't hesitate to contact us.

Heat Insulation Performanceof PU Sandwich Panel
Our range of structural insulated panels comes with outstandingthermal insulation performance. While being used as insulated wall and roofpanels, the polyurethane sandwich panel can help userssave a lot in air conditioning system operation cost.
Thermal conductivity ≤ 0.020W/(m • k)
Closed pore volume ≥95%
Heating cost saving: up to 40%

Fireproof Performanceof PU Sandwich Panel
Our structural insulated panels achievesgrade B in international GB8624-2006 Standard; 
Operation temperature: -96 °Cto 120 °C;
Oxygen index ≥ 32 (Non-combustible in the air;self-extinguishes while leaving from the fire source); 
Bond strength: 0.13Mpa (National standard:0.09Mpa);
Bonded area: 91.3% (Nationalstandard: 85%);
The high bonding strength can effectively improvethe fireproof performance of SIP wall panels and SIP roof panels. 

Sound Insulation of PU Sandwich Panel
Soundproof coefficient R ≥ 30dB (Similar products≥ 25dB).

SurfaceFlatness
While being used asarchitectural panels, our range of polyurethane structural insulated panelsfeatures excellent flatness and levelness,and the surface error is only 0.4mm/1000mm.

During the production of PU sandwich panel, the preheatingtemperature can reach 70 ℃, thus the curingquality for these sandwich panels isguaranteed.

In order to ensure enough curingtime, we are outfitted with production lines that come with 36m long preheating unit (the longest in China).

Additionally, we have the best panel cooling system in China, which allows all polyurethane SIPs to be completely cooled before stacking.

All these above ensure greatflatness and levelness of our structuralinsulated panels.

Waterproof &Airproof Performances
The great sealing mechanism provides our PU sandwich panelwith good water tightness and air tightness. Thisalso provides good thermal insulation. Ourinsulated wall panels and roof panels achieves airtight level 4 andwatertight level 5 of national GB/T15227-2007 standards.

Light Weightand Low Cost
Our polyurethaneinsulated architectural panelsfeature a light weight and easyinstallation. Therefore, the installation cost is greatly reduced.

High Strength
With high strength and loading capacity, our PU sandwich panel could meet demand of thecompression strength in buildings.

Eco-friendly
The core material for our structural insulated panel contains anappropriate amount of flame retardant, while no formaldehyde is used to ensure environmental friendliness. Therefore,our PU sandwich panel has few side effectson human health. In addition, our polyurethaneSIPscould effectively prevent microbial from growing. Meanwhile, the energyconsumption can also be decreased significantly.