SPI Chem Germanium Chips for Shadow Casting, 99.9% Pure, CAS #7440-56-4, 5g
Chemical formula: Ge
CAS #: 7440-56-4
Color: Greyish White
Germanium Chips are used for replication and shadow casting using tungsten wire baskets. There is a variation in particle size for use in different size tungsten baskets, with some being in the range of 1-2 mm and some being larger chips approaching 9-10 mm in size.
Purity is better than 99%.