Polyurethane pultrusion materials: born for light weight

In the past, polyurethane composite materials were mainly automotive interior and exterior parts molded by the structural reaction injection method (SRIM), such as pickup truck boxes, floor panels, luggage racks, inner door panels, etc. (polyurethane foamed). However, in recent years, polyurethane composite materials have developed technologies such as pultrusion, winding, vacuum infusion, and long-fiber injection,…