Fumed Silica

We are offering fumed silica. item test standard product type hx-150 specific surface area(m2g) 135-165 determination of ph value of an aqueous suspension(4%) 3.6-4.5 loss on drying 105deg.c (mm %) 1.5max loss on ignition(dry product)1,000deg.c (mm %) 2.5max sieve residue(mm %) 0.05max apparent density(gl) 25-60 sio2 content(mm %) 99.8min carbon content(mm %) 0.2max fe