Nanometre-scale
Nanomaterials are structures at the
nanometre-scale (a nanometre is 10 power of -9 of one metre), a scale, comparable to that of
atoms and
molecules .Nanomaterials are chemical substances or materials that are manufactured and used at a very small scale. Nanomaterials are developed to exhibit novel characteristics compared to the same material without nanoscale features, such as increased strength, chemical reactivity or conductivity.
Nano materials are used in a variety of, manufacturing processes, products and healthcare including paints, filters, and insulation and lubricant additives. In healthcare Nanozymes are nanomaterials with enzyme-like characteristics.
The scope of the Recommendation by the Commission covers nanomaterials when they are substances or mixtures, but not when they are final products. This means that if a nanomaterial is used amongst other ingredients in a formulation the entire product will not become a nanomaterial. This is in line with the definitions proposed by the Organisation for Economic Co-operation and Development (OECD) and the International Organization for Standardization (ISO)
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