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Do you have rust on the surface of the stainless steel? You want to know if you have iron contamination on your parts? The KPNOXTEST Ferroxyl Test Kit is an easy-to-perform and extremely sensitive passivation test for detecting iron residues on the surface of stainless steel. Within a minute of applying Ferroxyl, any ferrite contamination will be revealed as dark blue spots. This test validates the passivation results and guarantees a surface free of iron residues and a passivation certificate can be issued according to ASTM A380 and ASTM A-967 standards
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