12 Chemica Elements Glass Seal Collection Ornaments


Non-metallic tellurium iodine

Rare earth metals, nickel, gold, silver and indium

Chemical element glass seal set
Non-metal rare earth large 15*75mm display
Teaching, Craft gift, 12 combinations. The purity of the single substance used is greater than 99.9%. The glass seal is mainly made of beautiful appearance and reflects the original state of the element. The glass test tube is made by melting and sealing. Isolate everything and no longer oxidize and nitride