Amorphous Silica Powder (precipitated silica , SiO2) We specialized in manufacturing precipitated silica and barium sulfate. Amorphous Silica Powder (precipitated silica SiO2) Common property: It is a white amorphous powder and granule that dissolves in caustic alkali and hudrofluoric acid, it does not dissolve in other acids, water and other kind of melting agents, this is product can be used in soles ,tire ,silicon rubber . painting and medicine. Packing : PP/Woven bag, EVA/Woven bag, kraft paper bag Prepitated silica type Package KG/Gag Appearance BET specific m2/g PH Oil absorption cm3/g SiO2(Dried) Average particle um Loss on Drying(105) Loss on Ignition (1000) Residue 45 um% Una.180 20 Powder CTAB100-240 5.0-8.0 2.0-3.5 >/=93 24-32 4.0-8.0 </=7.0 </=0.5 Una.180E 20 Powder 190-230 >/=6.0 1.8-3.0 >/=93 24-32 4.0-7.0 3.0-7.0 </=0.5 Una.100 20 Semi-granular 140-230 >/=6.5 1.8-3.0 >/=90 - 4.0-8.0 >/=5.0 </=0.3 Una.100GR 20 Granular CTBA100-230 5.0-8.0 2.0-3.5 >/=90 - 4.0-8.0 </=7.0 - Una.102 10 Powder 150-200 5.0-8.0 2.0-3.5 >/=93 10-15 4.0-8.0 </=7.0 </=0.05 Una.205 10 Powder 205-200 6.5-7.5 2.3-3.4 >/=98 8-13 4.0-7.0 </=7.0 </=0.05 Una.350B 10 powder 210-250 6.5-7.5 2.3-2.8 >/=98 8-13 4.0-8.0 </=7.0 </=0.05 Una.15 5 Powder 210-250 6.0-7.5 2.0-2.8 >/=98 </=5 4.0-8.0 </=7.0 </=0.05 Una.16 5 powder 210-250 5.0-8.0 2.0-3.5 >/=98 </=5 4.0-8.0 </=7.0 </=0.05 Una.300 5 Powder >/=300 6.5-7.5 2.3-2.8 >/=98 </=5 4.0-7.0 </=7.0 </=0.05 Una.700 10 powder >/=200 5.0-8.0 2.0-3.5 >/=9.8 </=5 4.0-8.0 </=7.0 </=0.05