Talc powder

We are offering talc powder. Specifications 1.sio2 content:61% 2.size: 325mesh 3.used in medical industry 4.whiteness:90% 5.25kg packing pharmaceutical grade talc powder: sio2: 61% whiteness:90% fineness:325mesh composition cotent: chemical composition data whiteness ≥ 90% dust, mm2/g≤ 0.4-1 caco3 ≤ 1%-4% acid-soluble iron 0.2-0.5 ph 7-9 moisture ≤ 0.30% l.o.i. (800oc)≤ 6%-22% abrasion degree 80-100 sio2 60% mgo 31% fe2o3 0.3% cao 0.5% al2o3 ≤0.2% density (g/cm3) 2.6-2.8 oil absorption capacity 35% pass rate(45μm)