CT caterpillar system offers good physical specifications for polyurethane caterpillar production line, utilizing a caterpillar conveyor to produce polyurethane (PU) sandwich panels. These panels are commonly used in construction for insulation and roofing. The CT system ensures continuous and efficient production for shaping panels, foaming, and curing the PU core. It supports panel thicknesses between 20~200mm and densities ranging from 35 to 60 g/cm³, meeting various construction k-factor and fire resistance regulations.