| Property | Эва пена | Пена EPE | Губка пена (PU) |
|---|
| Паверхня | Гладкая & fine | Rougher | Мяккі, porous |
| Density range (кг/м³) | 30–300 | 15–50 | 10–60 |
| Water absorption | None | Very low | High |
| Elasticity | High | Medium | Very high (мяккі) |
| Даўгавечнасць | Excellent | Good | Fair |
| Common uses | Спорт, ўпакоўка, toys | Cushioning, абарона | Furniture, cleaning |
1. Эва пена (Этыленвінілацэтат)
Рысы:
- Fine and uniform cell structure (smooth surface)
- High elasticity and toughness
- Good water resistance and durability
- Can be высечка, цеплавой формы, laminated, або надрукаваны easily
- Density range: 30–300 kg/m³
- Даступна ў 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, трывалы, customizable, нетоксичны
Cons: Slightly more expensive than EPE
2. Пена EPE (Пашыраны поліэтылен)
Рысы:
- Lightweight with larger air bubbles / open cells
- Soft and flexible, excellent амартызацыя
- Water and chemical resistant
- Density range: 15–50 kg/m³
Typical Uses:
- Ўпакоўка (электроніка, glass, мэбля)
- Edge protectors, foam tubes, ізаляцыя
Pros: Low cost, good cushioning, reusable
Cons: Rougher surface, less firm than EVA, not suitable for precision cutting
3. Губка пена (Polyurethane or PU Foam)
Рысы:
- Open-cell structure (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, абіўка
Pros: Very soft, comfortable, low cost
Cons: Absorbs water, poor durability outdoors, not suitable for heavy loads