... High decoloring power 4)High quality,good price Acid Activated Bleaching Earth1)Raw Material:High quality bentonite ... asphalt approach),%≥95≥95Activity(NaAc approach)≥180≥200Free acid (H2SO4),%≤0.15≤0.20Water content before ... 200 mesh),%≥90≥90Filtration rate, ml/min≥10.0≥10.0NoteBulk density(g/ml):0.7~1 ... harmful pigment,aflatoxin,phosphatide,saponin,colloid,cotton acid from oil to make it high-grade ...