glass pearls

Do you require larger quantities?

We would be pleased to provide you with a customized quote for the packaging size you require.
Special packaging available upon request.

glass pearls

Highest purity
The particle size is 600 - 800 .mu.m
Hardness: 6 Mohs
Bead Shape: Round
Melting point: about 730
Specific gravity: approx. 2.5 g/cm3
Bulk density: approx. 1.5 g/cm3
Chemical analysis: SiO2 70 - 75%, Na2O 12 - 15%, CaO 7 - 12%, MgO max. 5%, Al2O3 max. 2.5%, K2O max. 1.5%, Fe2O3 max. 0.5%