This document specifies requirements for the construction, performance, primary packaging and labelling of double bangers and the corresponding test methods. It is applicable to fireworks which are classified as double bangers in category 2 in EN 14035-2. It is applicable to double bangers which contain pyrotechnic report composition that is black powder.
It is not applicable to double bangers containing pyrotechnic composition that includes any of the following substances:
— arsenic or arsenic compounds;
— mixtures containing a mass fraction of chlorates greater than 80 %;
— mixtures of chlorates with metals;
— mixtures of chlorates with red phosphorus;
— mixtures of chlorates with potassium hexacyanoferrate(II);
— mixtures of chlorates with sulfur;
— mixtures of chlorates with sulfides;
— lead or lead compounds;
— mercury compounds;
— white phosphorus;
— picrates or picric acid;
— potassium chlorate with a mass fraction of bromates greater than 0,15 %;
— sulfur with an acidity, expressed in mass fraction of sulphuric acid, greater than 0,002 %;
— zirconium with a particle size of less than 40 µm.
NOTE In EN 14035-2, double bangers are classified as follows:
— brief description: tube containing two portions of black powder connected by a delay fuse;
— principal effects: report, then ascent followed by second report.
Schemes for type testing of double bangers and batch testing of double bangers are specified in annex A and annex B respectively.