Is this chromite powder for glass coloring sourced from South Africa? What is its Cr₂O₃ content?

Yes, it is imported from South Africa, with Cr₂O₃ content ranging from 44–47%.
We import chromite ore from South Africa for our glass-coloring chromite powder, which is milled and classified near Tianjin Port / Lianyungang Port. Our glass green material, chromite powder for glass coloring, has a Cr₂O₃ content of 44–47%, suitable for olive-green coloration of beer bottles.
Available standard grades of chromite flour for glass coloring:
GradeGuaranteed ValueTypical Test Result
200#≥90% passing 200# sieve95–100%
270#≥90% passing 270# sieve95–100%
325#≥90% passing 325# sieve95–100%
400#≥90% passing 400# sieve95–100%
500#≥90% passing 500# sieve95–100%
600#≥90% passing 600# sieve95–100%
800#≥90% passing 800# sieve95–100%
1000#≥90% passing 1000# sieve95–100%
1200#≥90% passing 1200# sieve95–100%
1500#≥90% passing 1500# sieve95–100%
2000#≥90% passing 2000# sieve95–100%
2500#≥90% passing 2500# sieve95–100%
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