Federal Motor Vehicle Safety Standards FMVSS-302

Nylene Grade

Description

Rate (in. / min.)

Rate  (mm / min)

201 unreinforced general purpose

DNB

DNB

204 unreinforced nucleated

DNB

DNB

2407 HSSP Nylon Copolymer

3.47

88.1

2409 HSSP 6,6/6 blend extrusion grade

2.84

72.1

307 translucent unreinforced

DNB

DNB

323 high impact extrusion

0.58

14.8

401 unreinforced general purpose

DNB

DNB

421 medium impact resistance

DNB

DNB

4220 6,6/6 extrusion

0.70

17.9

4223 6,6/6 extrusion flexible

0.13

3.2

434 improved impact unreinforced

DNB

DNB

5233 HS 33% glass reinforced

0.58

14.8

7115 HS BK 40% glass / mineral reinforced

1.49

38.0

7115 HS BK106 40% glass / mineral reinforced

1.57

40.0

724 medium impact resistance

DNB

DNB

734 high impact resistance

DNB

DNB

PX1719 high impact extrusion / molding

2.71

68.8

132 unreinforced general purpose

DNB

DNB

311 medium impact

2.08

52.8

311 HS UV BK DX9 medium impact  interior UV

2.79

70.8

411 medium impact

0.59

15.0

2171

DNB

DNB

4114 UV high impact UV stable

0.83

21.2

4114 high impact

0.56

14.3

4114 HS high impact

1.44

36.6

4114-14 high impact 14% glass fiber

DNB

DNB

4114-33 high impact 33% glass fiber

0.28

7.0

4120 high impact 2% MoS2 lubricated

0.02

0.6

4121 high impact silicone lubricated

0.02

0.6

5113HS BK 13% glass fiber

1.31

33.2

5133 HS 33% glass fiber

1.45

36.8

5133 HS BK 33% glass fiber

DNB

DNB

5133 HS GY 33% glass fiber

1.09

27.6

6140 40% mineral reinforced

1.21

30.8

6440 36% mineral impact modified

0.31

7.8

7215 40% glass / mineral reinforced

0.64

16.3

7232 HS MS WPP848 28% glass / mineral impact modified

1.49

38.0

Duratel MF9 9 melt flow acetal co-polymer

2.58

65.5

 

 Print

The notation of DNB denotes “does not burn”.

FMVSS-302 “Flammability of Interior Materials” is a NHTSA and DOT standard which “specifies burn resistance requirements for materials used in the occupant compartments of motor vehicles” (S1).  This standard applies to passenger cars, multipurpose passenger vehicles, trucks, and buses (S3).

FMVSS-302 states that:

S4.3a - “material . . . shall not burn, nor transmit a flame front across its surface, at a rate of more than 4 inches per minute.”

S4.3b - “If a material stops burning before it has burned for 60 seconds . . . , and has not burned more than 2 inches . . . , it shall be considered to meet the burn-rate requirement.