scope:

This specification covers the general requirements, property, performance requirements, quality, and source approval.

APPLICATION

This specification covers expanded or cellular polyurethane foams which are produced in slab and may be slit, die cut, or skived. Type I material is suitable for seat topper pads, seat pads or insulation in truck and bus applications. Type II material is suitable for acoustical applications and shall meet all the property and performance requirements of Type I and be approved by Navistar Vehicle Dynamics Department for the intended use. Type II is further divided into Grade A and B, with medium and high sound absorptive characteristics, respectively. Rebonded foam may be used in some applications and shall be designated by an R suffix.