| Property | ኢቫ አረፋ | EPE Foam | ስፖንጅ አረፋ (PU) |
|---|
| Surface | Smooth & fine | Rougher | ለስላሳ, porous |
| Density range (KG / M³) | 30–300 | 15–50 | 10–60 |
| Water absorption | None | Very low | High |
| Elasticity | High | መካከለኛ | Very high (ለስላሳ) |
| ጠንካራነት | Excellent | Good | Fair |
| Common uses | ስፖርት, ማሸግ, መጫወቻዎች | Cushioning, ጥበቃ | Furniture, ማጽዳት |
1. ኢቫ አረፋ (ኤቲሊን ቪኒል አሲቴት)
ባህሪዎች:
- Fine and uniform cell structure (ለስላሳ ሽፋን)
- High elasticity and toughness
- Good water resistance and durability
- Can be die-cut, heat-formed, laminated, or printed 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, መሣሪያዎች)
- Shoe soles, kneeling pads, መጫወቻዎች
Pros: Smooth finish, ዘላቂ, ሊበጅ የሚችል, መርዛማ ያልሆነ
Cons: Slightly more expensive than EPE
2. EPE Foam (Expanded Polyethylene)
ባህሪዎች:
- Lightweight with larger air bubbles / open cells
- Soft and flexible, excellent አስደንጋጭ መምጠጥ
- Water and chemical resistant
- Density range: 15–50 kg/m³
Typical Uses:
- ማሸግ (ኤሌክትሮኒክስ, glass, የቤት እቃዎች)
- Edge protectors, foam tubes, መከላከል
Pros: Low cost, good cushioning, reusable
Cons: Rougher surface, less firm than EVA, not suitable for precision cutting
3. ስፖንጅ አረፋ (Polyurethane or PU Foam)
ባህሪዎች:
- ክፍት የሕዋስ መዋቅር (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, ፓድ
Pros: Very soft, ምቹ, low cost
Cons: Absorbs water, poor durability outdoors, not suitable for heavy loads