technical grade and frist grade
specification:
purity: *9%min*********8.5%min
chloride: 0.*3%max*****0.1%max
sulphate:0.*4%max*****0.1%max
Fe:
0.**1%max****0.**3%max
water insolubles: 0.*4%max***0.*5%max
loss on ignition: 0.8%max*****1.0%max
package: in *5/*0kg bags, *1Mt/*0'FCL for light, 2Mt/*0'FCL for
dence