一、凡P_(13)、P_(60)、P_(50)型棚车和N_(16)型平车,在做厂修或段修的同时均需加装防火板。 二、防火板为铁板或经防火剂处理的纤维板或木板。其规格: 长度 400毫米; 宽度 200毫米; 厚度 纤维板3～5毫米;木板10～15毫米;铁板厂修时不低于2毫米;段修时厚度不做限制,但要求不腐蚀,不破裂,不脱落。 三、纤维板或木板防火剂处理方法 First, all P_ (13), P_ (60), P_ (50) type box cars and N_ (16) type flat cars are required to be equipped with fireproof panels at the same time as factory repair or section repair. Second, the fire board for the iron or fire-retardant treatment of fiberboard or wood. Its specifications: length 400 mm; width 200 mm; thickness of fiberboard 3 to 5 mm; wood 10 to 15 mm; iron plant repair time not less than 2 mm; paragraph repair thickness is not limited, but requires no corrosion, no rupture , Do not fall off. Third, fiberboard or wood fire treatment methods