§571.302 Standard No. 302; Flammabi

§571.302 Standard No. 302; Flammability of interior materials.S1. Scope. This standard specifies burn resistance requirements for materials used in the occupant compartments of motor vehicles.S2. Purpose. The purpose of this standard is to reduce the deaths and injuries to motor vehicle occupants caused by vehicle fires, especially those originating in the interior of the vehicle from sources such as matches or cigarettes.S3. Application. This standard applies to passenger cars, multipurpose passenger vehicles, trucks, and buses.S3A. Definitions. Occupant compartment air space means the space within the occupant compartment that normally contains refreshable air.S4. Requirements.S4.1 The portions described in S4.2 of the following components of vehicle occupant compartments shall meet the requirements of S4.3: Seat cushions, seat backs, seat belts, headlining, convertible tops, arm rests, all trim panels including door, front, rear, and side panels, compartment shelves, head restraints, floor coverings, sun visors, curtains, shades, wheel housing covers, engine compartment covers, mattress covers, and any other interior materials, including padding and crash-deployed elements, that are designed to absorb energy on contact by occupants in the event of a crash.S4.1.1 [Reserved]S4.2 Any portion of a single or composite material which is within 13 mm of the occupant compartment air space shall meet the requirements of S4.3.S4.2.1 Any material that does not adhere to other material(s) at every point of contact shall meet the requirements of S4.3 when tested separately.S4.2.2 Any material that adheres to other materials at every point of contact shall meet the requirements of S4.3 when tested as a composite with the other material(s).