| Proprietà | Schiuma EVA | Schiuma EPE | Spugna Schiuma (POTEVO) |
|---|
| Superficie | Liscio & fine | Rougher | Morbido, porous |
| Density range (kg/m³) | 30–300 | 15–50 | 10–60 |
| Water absorption | None | Very low | High |
| Elasticity | High | Medio | Very high (morbido) |
| Durabilità | Eccellente | Good | Fair |
| Common uses | Sport, confezione, giocattoli | Ammortizzazione, protezione | Furniture, pulizia |
1. Schiuma EVA (Etilene Vinil Acetato)
Caratteristiche:
- Fine and uniform cell structure (superficie liscia)
- High elasticity and toughness
- Good water resistance and durability
- Can be est-taglio, formato da calore, laminated, o stampato easily
- Density range: 30–300 kg/m³
- Disponibile in various colors and hardness levels
Typical Uses:
- Sports mats, yoga blocks, swimming belts
- Packaging inserts (high-end electronics, utensili)
- Shoe soles, kneeling pads, giocattoli
Pros: Smooth finish, durevole, personalizzabile, non tossico
Cons: Slightly more expensive than EPE
2. Schiuma EPE (Polietilene espanso)
Caratteristiche:
- Lightweight with larger air bubbles / open cells
- Soft and flexible, excellent assorbimento degli urti
- Water and chemical resistant
- Density range: 15–50 kg/m³
Typical Uses:
- Confezione (elettronica, bicchiere, arredamento)
- Edge protectors, foam tubes, isolamento
Pros: Low cost, good cushioning, reusable
Cons: Rougher surface, less firm than EVA, not suitable for precision cutting
3. Spugna Schiuma (Polyurethane or PU Foam)
Caratteristiche:
- Struttura a celle aperte (soft and breathable)
- Very compressible and comfortable
- Absorbs water easily
- Density range: 10–60 kg/m³
Typical Uses:
- Seat cushions, assorbimento del suono, cosmetic sponges
- Cleaning products, gaskets, imbottitura
Pros: Very soft, comodo, low cost
Cons: Absorbs water, poor durability outdoors, not suitable for heavy loads