EN ISO 5659-2 toxicity testing / Smoke Density
EN ISO 5659-2 Plastics-Smoke generation-Part 2: Determination of optical density by a single-chamber test
EN5659-2 / EN ISO 5659-2 Toxicity testing--Test method
The specimens are exposed to radiant heat of 25 or（50）KW/m2，the concentration of following gases were measured: CO2、CO、HF、HCI、HCN、NO2、SO2、HBr . Test time was 10 minutes, recording the first 4 minutes and 8 minutes maximum smoke density and gas content.
EN5659-2 / EN ISO 5659-2 Toxicity testing--Reference values for gases
|
Gas |
Reference values-- mg/m3 |
|
|
Carbon dioxide |
CO2 |
72 000 |
|
Carbon monoxide |
CO |
1 380 |
|
Hydrogen fluoride |
HF |
25 |
|
Hydrogen chloride |
HCI |
75 |
|
Hydrogen bromide |
HBr |
99 |
|
Hydrogen dioxide |
HCN |
55 |
|
Nitrogen dioxide |
NO2 |
38 |
|
Sulfur dioxide |
SO2 |
262 |
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