1. foam sandwich panelColor steel tile and plastic foam of polymer material which is foamed by polyurethane immediately in the middle of the control panel are used for home decoration. Because it is filled with closed foam molecular formula, it can prevent water vapor from solidifying and has high thermal insulation performance, but it is not fire-proof. In recent years, it has been replaced by the sales market because of environmental protection factors.

2. Rock wool sandwich panelSandwich board made of rock wool board. Rock wool sandwich panel makes full use of the unique performance of rock wool core material, and has obvious practical effects in terms of fire safety, thermal insulation, sound insulation and so on, which has become the preferred software of enclosure structure system for many steel structure workshops.

3. Polyurethane color steel sandwich panelIt is a kind of high-efficiency and energy-saving building envelope raw material with universal use and development potential, and it is also a new type of environmental protection and energy-saving plate advocated and promoted by the Ministry of Housing and Urban-Rural Development. The core material of polyurethane material is sandwiched between two colored steel tiles. Widely used in industrial production workshops, steel-framed warehouses, logistics warehouses and the roofs and walls of their freezers.