The standard requires that the burning performance of flame-retardant fabrics should comply with the requirements in the table below.
Combustion performance requirements of GB17591-2006
|
Product categories |
Project |
Assessment indicators |
Test methods |
||
|
Level B1 |
Level B2 |
||||
|
Decorative fabrics |
Damaged length/mm≤ |
150 |
200 |
GB/T5455 |
|
|
Afterburning time/s ≤ |
5 |
15 |
|||
|
Smoldering time/s ≤ |
5 |
15 |
|||
|
Fabrics for vehicle interiors |
For aircraft and ship interiors |
Damaged length/mm ≤ |
150 |
200 |
GB/T5455 |
|
Afterburning time/s ≤ |
5 |
15 |
|||
|
Burning Drops |
Absorbent cotton did not ignite |
Absorbent cotton did not ignite |
|||
|
For car interiors |
Flame spread rate/(mm/min)≤ |
0 |
100 |
FZ/T01028 |
|
|
Train interiors |
Damaged area/cm² ≤ |
30 |
45 |
GB/T14645—1993 Method A |
|
|
Damaged length mm ≤ |
20 |
20 |
|||
|
Afterburning time/s ≤ |
3 |
3 |
|||
|
Smoldering time/s ≤ |
5 |
5 |
|||
|
Number of flame catches/times> |
3 |
GB/T14645—1993 Method B |
|||
|
Flame retardant protective clothing fabric (before and after washing) |
Damaged length/mm ≤ |
150 |
– |
GB/T5455 |
|
|
Afterburning time/s ≤ |
5 |
– |
|||
|
Smoldering time/s ≤ |
5 |
– |
|||
|
Melting, dripping |
None |
– |
|||
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