UN3270NITROCELLULOSE MEMBRANE FILTERS with not more than 12.6% nitrogen, by dry mass

P411 This instruction applies to UN 3270. The following packagings are authorized, provided that the general provisions of 4.1.1 and 4.1.3 are met: Drums (1A2, 1B2, 1N2, 1H2, 1D, 1G); Boxes (4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H1, 4H2); Jerricans (3A2, 3B2, 3H2), provided that explosion is not possible by reason of increased internal pressure. The maximum net mass shall not exceed 30 kg.

The membrane filters, including paper separators, coating or backing materials, etc., that are present in transport, shall not be liable to propagate a detonation as tested by one of the tests described in the Manual of Tests and Criteria, part I, test series 1(a). In addition, the competent authority may determine, on the basis of the results of suitable burning rate tests taking account of the standard tests in the Manual of Tests and Criteria, part III, 33.2, that nitrocellulose membrane filters in the form in which they are to be transported are not subject to the provisions of this Code applicable to flammable solids in class 4.1.

Nitrocellulose membrane filters covered by this entry, each with a mass not exceeding 0.5 g, are not subject to the provisions of this Code when contained individually in an article or a sealed packet.

Nitrocellulose (NC) membrane filters covered by this entry with NC content not exceeding 53 g/m2 and an NC net mass not exceeding 300 g per inner packaging, are not subject to these requirements if they meet the following conditions:.1 They are packed with paper separators of minimum 80 g/m² placed between each layer of NC membrane filters..2 They are packed to maintain the alignment of the NC membrane filters and the paper separators in any of the following configurations:.1 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% according to standard ISO 15105-1:2007..2 Sheets packed in cardboard of minimum 250 g/m2 or aluminium pouches with an oxygen permeability of equal or less than 0.1% according to standard ISO 15105-1:2007..3 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.