DIN54837 Burning behavior fire test - Standard
DIN 54837 Testing of materials, small components and component sections for rail vehicles - Determination of burning behavior using a gas burner
DIN54837 Burning behavior fire test - Brief
DIN 5510-2 determinate the fire classification of railway vehicle material and structure by burning behavior, smoke density, dropping behavior and toxic.
Fire test to railway components－structure（seal, flooring, wall）
Test Method: DIN 54837
Classification: S2-S5, ST1-ST2, SR1-SR2
DIN54837 Burning behavior fire test – Classification
S2-S5 Burning Class
|
Burning Class |
S2 |
S3 |
S4 |
S5 |
|
Destroy length |
≤30 cm |
≤25 cm |
≤20 cm |
0 cm |
|
Afterflame |
Extinguish after test |
Afterflame ≤100s |
Afterflame ≤10s |
Afterflame =0s |
ST1-ST2 Drop Class
|
Drop Class |
ST1 |
ST2 |
|
Dropping |
Yes, Afterflame >20 s |
Not drops |
SR1-SR2 Smoke Class
|
Smoke Class |
SR1 |
SR2 |
|
Smoke |
Int. ≤ 100 %*min |
Int. ≤ 50 %*min |
Note: Smoke toxic test according new version DIN 5510-2:2009:05, DIN EN ISO 5659-2, Smoke toxic test (toxicity measured with FTIR): FED<1
DIN54837 Burning behavior fire test - Reference Standard
DIN5510-2 : Preventive fire protection in railway vehicles; Part 2: Fire behaviour and fire side effects of materials and parts, classification, requirement
DIN 53438-1 Testing of combustible materials; response to ignition by a small flame; general data
DIN 53438-2 Testing of combustible materials; response to ignition by a small flame; edge ignition
DIN 53438-3 Testing of combustible materials; response to ignition by a small flame; surface ignition
DIN EN ISO 5659-2: Smoke generation -- Part 2: Determination of optical density by a single-chamber test