Opta Minerals, Inc. - Locations Distributor, Manufacturer
Manufacturer of glass beads used in wide range of materials including metal, glass, plastic & rubber. Specifications include 30 mesh to 325 mesh size, 1.5 g/cu. cm to 1.6 g/cu. cm bulk density, 2.5 specific gravity & 5.5 Mohs to 6.0 Mohs hardness. Beads are non-reactant & are available in round/spherical grain shapes. Beads are available in colorless & transparent colors with no visible bubbles or impurities.