Solid Round Clear Glass Ball Boiling Stones Soda Lime Glass BeadsProduct Details1.Features - Solid round with polished smooth surface. The diameter tolerance is about +/-0.02mm. Softening Point: 726C / 1340F2.Material - Made of soda-lime glass, which has good resistance to solvent and high-temp.3.Size - 8mm Diameter. The package includes 200 pieces of balls4.Applications - Glass balls are especially useful for model paint mixing, grinding and sanding, or use as lab boiling stones.5.Notice - Confirm the Ball Diameter before ordering.
eBay