Polyurethane color-coated steel panels are also known as polyurethane composite panels, polyurethane sandwich panels, or PU sandwich panels.

Composite panels with a polyurethane core consist of upper and lower layers of color-coated steel sheets with a foamed polyurethane core in between. They utilize the world’s most advanced six-component online automatic mixing and pouring technology, which enables the batching and mixing process—typically performed at a social batching center or factory—to be completed in a single online operation. The process can be adjusted on the fly according to temperature, resulting in the production of unique, high-strength, energy-efficient, and eco-friendly building materials.