Exterior: white powder.
Content%: í²99.0
Test on dissolve in sodium carbonate: pass
Residue after burning %:ín0.15
Chloride(ci) content%:ín0.01
Sulfate(so4) content%:ín0.1
Iron(fe) content%:ín0.001
Heavy metal%(pb):0.001
Pp bag, 25kg/bag.
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