Alpha corundum with high hardness It remains sharp-edged until completely worn When used in pencil sandblasters, Korox® 250 not only removes investment material residues and oxides efficiently, but is also ideal for optimal surface conditioning of non-precious alloys prior to ceramic firing The high purity of Korox means there is no risk of contamination of the alloy surface Korox® complies with the regulations of occupational safety institutes Category Materials REF 46062 Item name Korox® 50 (50 µm) Content/amount 8 kg canister Product description Special corundum blasting material made from 99.6 % aluminium oxide