ceramic grain filter for water treatment 1.the size can be in 0.1-8mm 2.can be for advance treatment.eg:oil ... ,city pollution ItemDetailsDiameter<2.0mm≥2.0mmBulk Density0.95~1.10g/cm30.95~1.0g/ ... 35%≥40%Breakage rate≤0.03%≤0.04%Attrition rate≤2.0%≤3.0%Specific surface area≥1×104 cm2/g ... ~51~3 0.5-1mm,1-2mm, 2-3mm,3-5mm,5-6mm,6-8mm,8-9mm ceramic grain filter for waste water