Color steel sandwich panel, also known as color steel composite panel, is a new type of building material composed of two layers of color-coated steel plates and an inner layer of insulation materials such as polystyrene, polyurethane, or rock wool, bonded together under high temperature and pressure. It features lightweight, high strength, thermal insulation, moisture resistance, and fireproofing, making it widely used in industrial plants, warehouses, cold storage facilities, prefabricated rooms, and other building structures.
Regarding the specifications of color steel sandwich panels, the primary considerations are thickness, width, and length. Common thicknesses range from 50mm to 200mm, with the most frequently used being 50mm, 75mm, 100mm, and 150mm, catering to different thermal insulation requirements in construction. The thickness of the steel plates typically varies between 0.4mm and 0.8mm, and adjusting this can influence the panel’s overall performance and cost.
In terms of width, the effective coverage of color steel sandwich panels usually ranges from 950mm to 1150mm. The length can be customized according to project needs, typically reaching 6 to 12 meters or even longer, minimizing joints and improving construction efficiency.
The core material of color steel sandwich panels is also crucial. Polystyrene (EPS) sandwich panels offer good cost-effectiveness and thermal insulation, making them suitable for general construction. Polyurethane (PU) sandwich panels provide superior thermal insulation and fire resistance, often used in higher-demand projects. Rock wool sandwich panels, known for their excellent fireproofing and sound absorption, are widely applied in buildings with stringent fire safety requirements.
In summary, as a modern building material, the specifications and material selection of color steel sandwich panels significantly impact project quality and performance. Therefore, practical needs should be carefully evaluated to choose the appropriate specifications and materials.