fluorspar to specification - is 4574-1989 reaffirmed-2003 grade-3 composition-caf2-80 min, sio2-8 max,caco3 -3 max. mixed oxide r2o3 - 3.5 max,s-0.3 max, pb - 0.3 max pellet form having size - 1 to 3..
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