What is the difference between EVA foam, Epe pena, and sponge foam

1. EVA pena (Etilen vinil acetat)

Lastnosti:

• Fine and uniform cell structure (gladka površina)
• High elasticity and toughness
• Good water resistance and durability
• Can be Die-rez, toplotno oblikovano, laminated, ali natisnjeno easily
• Density range: 30–300 kg/m³
• Na voljo v various colors and hardness levels

Typical Uses:

• Sports mats, yoga blocks, swimming belts
• Packaging inserts (high-end electronics, orodja)
• Shoe soles, kneeling pads, igrače

Pros: Smooth finish, vzdržljiv, prilagodljivo, nestrupen
Cons: Slightly more expensive than EPE

2. EPE pena (Ekspandirani polietilen)

Lastnosti:

• Lightweight with larger air bubbles / open cells
• Soft and flexible, excellent blaženje udarcev
• Water and chemical resistant
• Density range: 15–50 kg/m³

Typical Uses:

• Pakiranje (Elektronika, kozarec, pohištvo)
• Edge protectors, foam tubes, izolacija

Pros: Low cost, good cushioning, reusable
Cons: Rougher surface, less firm than EVA, not suitable for precision cutting

3. Gobasta pena (Polyurethane or PU Foam)

Lastnosti:

• Odprta celična struktura (soft and breathable)
• Very compressible and comfortable
• Absorbs water easily
• Density range: 10–60 kg/m³

Typical Uses:

• Seat cushions, Absorpcija zvoka, cosmetic sponges
• Cleaning products, gaskets, oblazinjenje

Pros: Very soft, udobno, low cost
Cons: Absorbs water, poor durability outdoors, not suitable for heavy loads