Standards Organisation of Nigeria (SON) has warned importers to be aware of some cancer-causing substances found in some school uniform materials made by two China companies identified as Sing Shun Fat School-Clothier Company and Zenith Uniform Company.
The Director-General of SON, Mr Osita Aboloma on Friday in Abuja said, “Use of the 4-amino azo dyes have been banned in Europe, Japan and other parts of the world prior to the finding. Azo dyes could release carcinogenic substances known as aromatic amines when they mix with sweat, which accounted for the ban on the use of the dye in many countries of the world.”
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