Description / Abstract: Material Description. Polyurethane (PU) foam composed of chunked, ground, shredded or chipped foam that has been rebounded with binder, such as a Methylene Diphenyl di-Isocyanate prepolymer. (Figure 1).

Also known as Rebond Foam; Chip Foam, or; Marable Foam.

Symbols. Not applicable.

Applicability. Foam for reinforcement component (e.g., molded-in-foam seat side panel), carpet underlayment, etc.

Types.

Type 0. This type has a low-density of ≥ 48 kg/m³ and ≤ 90 kg/m³ (3.0 pcf to 5.6 pcf)

Type 1. This type has a density of 90 kg/m³ and ≤ 120 kg/m³ (5.6 pcf to 7.6 pcf)

Type 2. This type has a higher density of 120 kg/m³ and 160 kg/m³ (7.6 pcf to 10 pcf)

Type 3. This type has an ultra-high density of ≥ 160 kg/m³ ( 10 pcf)