Anthracite Filter

anthracite filter : sepc: 1. Fixed carbon: 86%min; Ash content: 6.0%max; Volatile matter content: 8.0-9.0%; Sulpfur: 0.5%max; Water content: 2.0%max; Size: 3-10mm 90%min/3-6mm 90%min;2. Uniformity coefficient: 1.5max; Specific gravity: 1.4min; Void volume: 50%min; Hydrochloric acid soluble: 6%max; Abrasion rate: 3%max; Ferro: 0.03mg/lmax; Mn: 0.005mg/lmax; Flavor: no Fume: no; Density: 1.4-1.6g/cm3; Turbidity: 0.2max; Chroma: 0.5; Size: 0.8-1.8mm ;1-1.8 mm;1.4-2.5 mm ; 3-4 mm;4-6 mm or According to buyer's option