Glass beads 1,25 - 1,65 mm

Glass beads, pearls of lime-soda-glass Ø 1,25 - 1,55 mm Pearls of lime-soda-glass. Specific weight approx. 2.5 g/cm3. Technical data: Bulk weight afh. of size 1.46-1.51 kg/l. Refractive index 1.5188. Chemical composition: SiO2 72,3 %, Na2O 13,3 %, CaO 8,9 %, MgO 4,0 %, other 1,5 %.