Sodium Isobutyl Xanthate, SIBX High purity: 90% min ISO9001:2008 approved Sodium Isobutyl Xanthate, SIBX 99.0% It is a strong collector, widely used in the flotation processes of nonferrous metallic minerals where a strong but a non-selective collector is desired.ItemIndex AppearancePelletPowderXanthate purity %≥90.090.0Free alkali %≤0.20.2Moisture and volatile %≤4.04.0We can also supply PAX, SEX ...