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LIANYUNGANG BO TECH silica powder company is professional silica maker and silica porducer in china , our main silica products is  Crystalline silica powder ,acrtivated silica powder ,fused silica ,fused silica sand ,cristobalite,ultrafine slica powder ,ultrafine fused silica powder ,our crystalline silica powder is producing from white natural silica stone, it is refined through manmade selecting, ex-ion water dispose, grinding, filtrating drying and sieving etc. For its high content, pure white color, stable physical and chemical properties and reasonable con-trollable partical size distribution it is widely used as material for epoxy potting compound, epoxy mould compound of electronic and electrical industries and engineering plastics, sili-con rubber, precision ceramic and casting, paint and ink etc industries.
    We also can supply active silica powder of every specification, sediment time  is more than 45 minutes. we can aslo make active silica powder and active fused silica powder to follow customer special requirements!