防爆标志Ex-marking：Exd nRc ⅡT6 /DIP A20 TA,T6

外壳材质：耐酸不锈钢或碳钢，聚脂喷塑（不锈钢可抛光处理）

Enclosure:Carbon steel or acid-resistant stainless steel,electrostatic polyester-sprayed(stainless steel enclosure with polishing surface-plating)