Boiling stones, Type A

Developed for use in preparatory work. For distillation and reflux in aqueous, neutral and alkaline solvents, even under a vacuum. Effective in even the smallest volumes of liquid and after multiple interruptions. Prevents any bumping. Natural product.
Boiling stones, Type A Heco-Catalogue

Boiling stones, Type A
PKCat. No.Manuf. Prod. No.
25019.012 306001
Alternate products:
Bath covers
Boiling stones, Type B
Boiling chips, type Resistent