厚度可做:50mm,75mm,100mm,125mm,150mm表面彩色涂层钢板或镀锌板,表面光滑平整,易清洁,厚度:0.35-0.5mm芯材:泡沫/岩棉/聚氨酯/中空玻镁板/硫氧镁(防火)两侧封边钢带