Special provision 403
ADR 2025 — special provision (SP) 403, Chapter 3.3.
Nitrocellulose membrane filters covered by this entry with nitrocellulose content not exceeding 53 g/m² and a nitrocellulose net mass not exceeding 300 g per inner packaging, are not subject to the requirements of ADR if they meet the following conditions: (a) They are packed with paper separators of minimum 80 g/m² placed between each layer of nitrocellulose membrane filters; (b) They are packed to maintain the alignment of the nitrocellulose membrane filters and the paper separators in any of the following configurations: (i) Rolls tightly wound and packed in plastic foil of minimum 80 g/m² or aluminium pouches with an oxygen permeability of equal or less than 0.1 % in accordance with standard ISO 15105-1:2007; (ii) Sheets packed in cardboard of minimum 250 g/m² or aluminium pouches with an oxygen permeability of equal or less than 0.1 % in accordance with standard ISO 15105-1:2007; (iii) Round filters packed in disc holders or cardboard packaging of minimum 250 g/m² or single packed in pouches of paper and plastic material of total minimum 100 g/m².