TB/T 3237 Fire test to railway component Chinese Standard

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TB/T 3237 Fire test to railway component Chinese Standard
 
TB/T 3237 Fire test to railway component - Standard
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 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)
CO     <4000(3500)
CO2   <90000(50000)
HF     <82(100)
HBr    <330(100)
HCL   <150(100)
NOX <190(100)
SO2   <260(100)
HCN   <110(100)
 
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 564-2-1991 Regulations relating to fire protection and fire-fighting measures in passenger-carrying railway vehicles or assimilated vehicles used on international services
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