Sigma-Aldrich 实心玻璃珠，硼硅酸盐，直径2 mm

产品概述

Glass balls made from solid borosilicate glass, designed for consistent and reliable laboratory performance. These beads exhibit uniform spherical geometry, good thermal stability, and excellent chemical resistance, making them suitable for a wide range of applications including boiling, mixing, and packing.




Diameter & Sphericity Variation: ±10% of nominal bead size




Thermal Expansion Coefficient: ~3.3 × 10⁻⁶ K⁻¹




Softening Point: ~815°C




Transformation Temperature: ~530°C




Chemical Resistance: High resistance to water, acids, and alkalis (borosilicate glass)




Pack Size: 454 g (1 lb)




Approx. Quantity per Pack: ~45,000 beads




Packaging: Plastic container

用作蒸馏柱填料、混合珠粒和沸石。每个454g盒都有约360 cm³的填充体积。珠粒尺寸有+/-10%的差异。

技术规格