1,metallic Ladder ring 2,Metallic random packing 3,low pressure drop 4,high flux ... ,great separating,effect cold and heat resistonce,long lifetime. metallic Ladder ringMaterials:stainless steels,carbon steels,aluminium,copper,bronze,304L,316L ... :116000 Heaping weightkg/m3:400 Specific surface aream2/m3:109.2 Void spacem3/m3:0.95Dry packing factor:127.4