Description
Celite(R), 521 is also known as diatomaceous 1-EArth or kieselgur and is a soft sedimentary rock. It is 1-EAsily crushed into a white powder. It can have an abrasive feel reminiscent of pumice powder. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or res1-EArch purposes and typically are not suitable for human consumption or therapeutic use.