PYREX® glass beads are useful as boiling stones, mixing beads, and as packing for distillation columns. Glass packing beads are packaged in 0.45kg. (1lb) bottles (each bottle is one pack), which have a packing volume of approximately 360 cubic centimeters or 22 cubic inches.
KIMAX® KG-33 glass beads are highly resistant to attack by most cold or hot liquids and/or vapors. They may be used as mixing beads, boiling stones, or packing for distillation columns. Beads are durable and will not disintegrate or affect delicate compounds. Packed in 1lb (approximately 0.45 Kg) containers.