... : round pellet or piece 2:Color change:from orange to white less 3.Pure: 98% SiO2 Product NameCharacteristicsShape: glass-like pellets or ... ,foodstuffs, medicines and household electric appliances,etc 1.2.1 Silica Gel Blue Indicator Bead Technical Data ItemSpecificationColorBlueQualified Ratio of Particle % >95 ... 2mm, 1-2mm, 1-3mm, 2-4mm, 2-5mm, 3-5mm, 3-6mm, 4-6mm, 4-8mm...Packing: Net Wight 15Kg, 20Kg ...