← Materials LibraryFoam
Polyurethane foam
Cushions, packaging, soft prototypes.
Properties at a glance
FlexibilityHigh
DurabilityLow
Water resistanceLow
Heat resistanceLow
Ease of workingHigh
Relative costLower
Rough comparisons with other materials in this library — not measured specs. Cost is relative only; no prices have been checked.
Strengths
- Comfortable
- Many densities
Limitations
- Absorbs water (open-cell)
- Degrades in sunlight
How it's worked
Methods: Cutting, Gluing, Upholstery
Typical tools: Electric carving knife, Spray adhesive
Safety
Flammable — keep away from heat sources.
Environmental notes
Hard to recycle.