fireproof,akali-resistant.high tensile strength. Basalt fiber composite board[product introduction]It is a square board extruded ... large tonnage special pultrusion machine. Basalt fiber composite board has a Smooth appearance with its fiber arrayed undirectionally, straightly, not twisted so ... enhancement[Performance index]Width: 20mm,30mm,50mm,100mm,150mmThickness: 1.0mm,1.5mm,2.0mm,3.0mm,5.0mm