1. nd1.93 32-106um 2. brightness over 550cpl 3. best quality and ... retro-reflection, the high refractive index glass beads of ND1.93 series can be used for reflective fabric, such as reflective ... = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); ND1.93 Glass Beads For Reflective Fabric