basalt fiber board basalt fiber panel basalt fiber plate Width: 20mm,30mm,50mm,100mm,150mm Thickness: 1.0mm,1.5mm,2.0mm,3.0mm Basalt fiber composite board[product introduction]It is a square board extruded with basalt successive unidirectional yarn in the large tonnage special pultrusion machine. Basalt fiber composite board has a Smooth appearance with its fiber arrayed undirectionally, ...