| Property | Espuma EVA | Espuma EPE | Espuma esponja (PU) |
|---|
| Surface | Smooth & fine | Rougher | Soft, porous |
| Density range (kg/m³) | 30–300 | 15–50 | 10–60 |
| Water absorption | None | Very low | High |
| Elasticity | High | Medium | Very high (soft) |
| Durabilidad | Excellent | Good | Fair |
| Common uses | Deportivo, embalaje, toys | Cushioning, protection | Furniture, cleaning |
1. Espuma EVA (Etileno Acetato u vinilo)
Noj:
- Fine and uniform cell structure (smooth surface)
- High elasticity and toughness
- Good water resistance and durability
- Can be die-cut, heat-formed, laminated, wa impreso easily
- Density range: 30–300 kg/m³
- Available in various colors and hardness levels
Typical Uses:
- Sports mats, yoga blocks, swimming belts
- Packaging inserts (high-end electronics, tools)
- Shoe soles, kneeling pads, toys
Pros: Smooth finish, duradero, customizable, non-toxic
Cons: Slightly more expensive than EPE
2. Espuma EPE (Polietileno expandido)
Noj:
- Lightweight with larger air bubbles / open cells
- Soft and flexible, excellent Absorción impactos
- Water and chemical resistant
- Density range: 15–50 kg/m³
Typical Uses:
- Embalaje (electronics, glass, furniture)
- Edge protectors, foam tubes, aislamiento
Pros: Low cost, good cushioning, reusable
Cons: Rougher surface, less firm than EVA, not suitable for precision cutting
3. Espuma esponja (Polyurethane or PU Foam)
Noj:
- Ba'ax célula jaapal (soft and breathable)
- Very compressible and comfortable
- Absorbs water easily
- Density range: 10–60 kg/m³
Typical Uses:
- Seat cushions, sound absorption, cosmetic sponges
- Cleaning products, gaskets, xa'ak'nal
Pros: Very soft, comfortable, low cost
Cons: Absorbs water, poor durability outdoors, not suitable for heavy loads