Fire Testing

32. Halogen content test in accordance with EN 50267-2-1
E N 5 0 2 6 7 - 2 - 1 : 1 9 9 8 / B S E N 5 0 2 6 7 - 2 - 1 : 1 9 9 9 / D I N  E N 5 0 2 6 7 - 2 - 1 : 1 9 9 9 / V D E 0 4 8 2 - 2 6 7 - 2 - 1 : 1 9 9 9 - 0 4 / C E I E N 50267-2-1:1999 (CEI 20-37/2-1) Common test methods for cables under fire conditions- Test on gases evolved during combustion of materials from cables- Part 2-1: Procedures. Determination of the amount of halogen acid gas.
This part of the standard defines the method to measure the amount of halogen acid evolved and which should be expressed in hydrochloric acid. The amount of halogen acid contained in the test solution is determined by a titration method.
If the cables are described as zero halogen or halogen free, it is recommended that the hydrochoric acid yield should be less than 0.5%.