What is the difference between EVA foam, Pianka EPE, and sponge foam

1. Pianka EVA (Octan etylenu i winylu)

Cechy:

• Fine and uniform cell structure (gładka powierzchnia)
• High elasticity and toughness
• Good water resistance and durability
• Can be Zamknij, Formowany ciepło, laminated, lub wydrukowane easily
• Density range: 30–300 kg/m³
• Dostępne w various colors and hardness levels

Typical Uses:

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

Pros: Smooth finish, wytrzymały, Dostosowywanie, nietoksyczny
Cons: Slightly more expensive than EPE

2. Pianka EPE (Ekspandowany polietylen)

Cechy:

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

Typical Uses:

• Opakowanie (elektronika, szkło, meble)
• Edge protectors, foam tubes, izolacja

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

3. Gąbczasta pianka (Polyurethane or PU Foam)

Cechy:

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

Typical Uses:

• Seat cushions, pochłanianie dźwięku, cosmetic sponges
• Cleaning products, gaskets, wyściółka

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