Flammability of flame retardant fabrics



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…

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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