NFX70-100/NF X 70-100 Toxicity Testing


1. NFX70-100/NF X 70-100 Toxicity Testing¡ªTest method

NF X 70-100: Fire behaviour tests ¨CAnalysis of pyrolysis and combustion gases-Pipe still method.

The test is conducted within a tube furnace where the temperature is set at either 400¡ãC, 600¡ãC or 800¡ãC (commonly600¡ãC is used for most materials or 800¡ãC in the case of some electrical products). 40 minutes throughout the test. By (CO, CO2, HCI, HBr, HCN, HF, SO2) analysis of these gases toxicity index.


2. NFX70-100/NF X 70-100 Toxicity Testing--Scope
The European standard EN45545-2 R14 (interior for cable), R15 (exterior for cable), EN45545-2 R25 (interior for small scale) and R26 (exterior for small scale) reference NF X70-100 toxicity index CIT test.

According to the level of risk of running vehicles, EN45545-2 standard on the toxicity index of different CIT values.


3. NFX70-100/NF X 70-100 Toxicity Testing¡ªStandard
NF X10-702: Fire test methods-Smoke emission-Test of measurement of specific optical density of smoke by the combustion or the pyrolysis of solid materials.

NF X70-100: Fire behaviour tests ¨CAnalysis of pyrolysis and combustion gases-Pipe still method.

prEN 45545-2: Railway applications - Fire protection on railway vehicles Part 2: Requirements for fire behaviour of materials and components


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