FUMED SILICA RD-12

DARUI Brand fumed silica RD-12 is mainly used for Silicone Rubber ,Adhesives, Sealants,Coatings, Paints and Inks,Rubber ,plastic,etc. DARUI Brand fumed silica is a synthetic,amorphous,colloidal silicon dioxide that is generally regarded as unique in industry because of its unusual particle characteristics. DARUI Brand fumed silica's extremely small particle size, its enormous surface area, its high purity, and its chain forming tendencies set it apart in a class of its own. DARUI Brand fumed silica isa light,fluffy powder that is white in appearance and is used in many applications and a variety of industries. 2, Specification is showed as follow, Test ItemTypical ValueStandardizationSpecific Surface Aream2/gRD-12200±20GB/T 10722pH Value3.74.5GB/T 1717Loss on Drying 2 Hours@ 105≤2.0GB/T 5211.3Loss on Ignition 2 Hours@ 1000≤2.0GB/T 20020325 Mesh Sieve Residue≤0.04GB/T 5211.14Tamped Densityg/l4060GB/T 5211.4SiO2 Content(based on ignited material)≥99.8GB/T 20020Carbon Content(material dried for 2 hours @105)≤0.2GB/T 20020Oxide ContentAl2O30.008TiO20.006Fe2O30.001ConclusionQualified