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 |
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.