Only nanomaterials having the following characteristics are allowed: — Purity ≥ 97 % — Median particle size D50 (50 % of the number below this diameter): ≥ 50 nm of number size distribution
Not to be used in applications that may lead to exposure of the end user’s lungs by inhalation
In case of combined use of Bis-(Diethylaminohydroxybenzoyl Benzoyl)Piperazine and Bis-(Diethylaminohydroxybenzoyl Benzoyl)Piperazine (nano), the sum shall not exceed 10 %
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