Calcium Sulfate Powder

AKA Plaster of Paris. Used to make casts for geology labs and annoy unsuspecting lab partners. This is the same stuff that they used to make plaster casts for broken arms and legs, as well as packing fossils in the field for transport into the lab.

LL Demos & Lab: Searchin’ for Urchins

Click here to download the Calcium Sulfate  MSDS