| Eigendom | EVA-schuim | EPE-schuim | Spons schuim (PU) |
|---|
| Oppervlak | Zacht & fine | Rougher | Zacht, porous |
| Density range (kg/m³) | 30–300 | 15–50 | 10–60 |
| Water absorption | None | Very low | High |
| Elasticity | High | Medium | Very high (zacht) |
| Duurzaamheid | Uitstekend | Good | Fair |
| Common uses | Sport, verpakking, speelgoed | Cushioning, bescherming | Furniture, schoonmaak |
1. EVA-schuim (Ethyleenvinylacetaat)
Functies:
- Fine and uniform cell structure (glad oppervlak)
- High elasticity and toughness
- Good water resistance and durability
- Can be uitgestoken, met warmte gevormd, laminated, of afgedrukt easily
- Density range: 30–300 kg/m³
- Beschikbaar in various colors and hardness levels
Typical Uses:
- Sports mats, yoga blocks, swimming belts
- Packaging inserts (high-end electronics, hulpmiddelen)
- Shoe soles, kneeling pads, speelgoed
Pros: Smooth finish, duurzaam, aanpasbaar, niet-giftig
Cons: Slightly more expensive than EPE
2. EPE-schuim (Geëxpandeerd polyethyleen)
Functies:
- Lightweight with larger air bubbles / open cells
- Soft and flexible, excellent schok absorbtie
- Water and chemical resistant
- Density range: 15–50 kg/m³
Typical Uses:
- Verpakking (elektronica, glas, meubilair)
- Edge protectors, foam tubes, isolatie
Pros: Low cost, good cushioning, reusable
Cons: Rougher surface, less firm than EVA, not suitable for precision cutting
3. Spons schuim (Polyurethane or PU Foam)
Functies:
- Open celstructuur (soft and breathable)
- Very compressible and comfortable
- Absorbs water easily
- Density range: 10–60 kg/m³
Typical Uses:
- Seat cushions, geluidsabsorptie, cosmetic sponges
- Cleaning products, gaskets, opvulling
Pros: Very soft, comfortabel, low cost
Cons: Absorbs water, poor durability outdoors, not suitable for heavy loads