... Technical Data ProgramTypical ValuesColorReality color up( Red, Green,Blue, Yellow, Black,White,Purple)ShapeRound ball or Oval speciesSize0.4-6mm (0 ... 0.6, 0.6-0.8, 0.8-1.0,1.0-1.5,1.5-2.0,2.0-2.5,2.5 ... -3.0,3-4,4-5,5-6)Refractionindex 1.30-1.50SpecificGravity(g/cm3)2.50Contain gravity(g/cm3 ... plastic film enlace.III.Storage: Dry and shelteredSizes :0.6-1.2mm.1-3mm.3-6mm.6-9mm .also other sizes for custom ...