TB/T 3237 Flame retardant technical specification of decorating materials for multiple unit train
TB/T 3237 Fire test to railway component – Scope
This Standard specifies the flame retardant property requirements and test methods for the decorating materials for multiple unit train.
This Standard is applicable to the flame retardant decorating materials for the multiple unit train with an operation speed larger than or equal to 200km/h.
TB/T 3237 Fire test to railway component – Test Method
Oxygen index test ( GB10707 / GB8924 / GB5454 / GB2406.2 )
Combustion test ( UIC564-2 )
Smoke density test ( GB8323.2 )
Smoke toxicity test ( TB3237 Part 4.4 )
TB/T 3237 Fire test to railway component – Reference Standard
GB/T 2406.2-2009 Plastics - Determination of Burning Behavior by Oxygen Index
GB/T 10707-2008 Rubber - Determination of the Burning
GB/T 5454-1997 Textiles - Burning Behavior - Oxygen Index Method
GB/T 8924-2005 Fiber Reinforced Plastics - Oxygen Index Method
GB/T 8323.2-2008 Determination of Optical Density by a Single-chamber Test
UIC 564-2 Regulations relating to fire protection and fire-fighting measures in passenger-carrying railway vehicles or assimilated vehicles used on international services
TB/T 3237 Test Requirement of smoke density and toxicity
Test requirement of GB/T 8323.2 Smoke density
|
Burning Mode |
Ds1.5 |
Ds4.0 |
|
Without flame |
≤100 |
≤200 |
|
With flame |
≤100 |
≤200 |
Test requirement of TB/T 3237 Smoke toxicity
|
Gas |
Reference concentration , mg/m3(ppm) |
|
<4000(3500) |
|
|
CO2 |
<90000(50000) |
|
HF |
<82(100) |
|
HBr |
<330(100) |
|
HCL |
<150(100) |
|
NOX |
<190(100) |
|
SO2 |
<260(100) |
|
HCN |
<110(100) |