We have own factory, Sino-Korea joint venture. Hope to get into business with you Specification: whitness 92 % partical size (-2μm) ≥ 95% free acid(NaOH) ≤0.55 moisture ≤8 % PH 4 specific surface area 285 m2/g density 0.59 g/ml heavy metal（pb）≤0.005 % arsenic content ≤0.0005 % Description: Active clay is an air dry modeling material which is dense, durable and responsive .It is a grey , pink or white solid powder, and specific gravity is 2.3—2.5. The active clay is mainly used as de-color absorbent in petrol-chemical, cooking oil, fat industry and animal fat fields.