Building construction bowl button steel pipe scaffolding and fastener scaffolding which cost high
Polystyrene foam board is the cheapest, extruded board is good but expensive
XPS Extruded polystyrene board: polystyrene is used as raw material plus a simple toilet bowl 丿 stagnation on the lack of other raw materials and fire protection agent, by heating and mixing at the same time into the catalyst, and then squeeze the molding of rigid foam The EPS expansion polystyrene board: is a volatile liquid blowing agent containing polystyrene (eps) beads, preheated by heating after the mold in the mold, with fine closed-cell structure characteristics