1. High reflective with high index 2. good fluidity and roundness for ink 3. affordable prices, in time delivery Transparent Glass Bead1.93nd glass bead is used for “Exposed-Lens” type retro-reflective articles (e.g., reflective ink, paint fabric. reflective tape, reflective yarn) It can also be used for reflective ink, paint and in the fields of personal security and protective products.I. ...