1,silica ( silicon dioxide) 2,Purity:95min 3,Specially used for tooth paste 4,CAS: 7631-86-9 Name: Silica/ Silicon dioxide Features:1,silicon dioxide used in toothpast is the powder without fixed model.2,No smell, no dissolved in water and acid, no chemical reaction with other chemical element, compatible with the fluorid and other materials of toothpast are the features of this sort of silicon ...
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