FLUORSPAR (FLUOR), calcium fluoride, fluxes at a lower temperature than other calcia compounds. Limited use as glaze flux, ubt with copper oxide some unusual blue-greens can develop. Minimum order quantity is 10 lbs.
WARNING: This product can expose you to chemicals including Silica, crystalline (airborne particles of respirable size), which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.