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

1. Eva Foam (Acetat de vinil etilè)

Característiques:

• Fine and uniform cell structure (superfície llisa)
• High elasticity and toughness
• Good water resistance and durability
• Can be die-cut, heat-formed, laminated, o imprès easily
• Density range: 30–300 kg/m³
• Disponible a various colors and hardness levels

Typical Uses:

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

Pros: Smooth finish, durador, personalitzable, no tòxic
Cons: Slightly more expensive than EPE

2. Escuma EPE (Expanded Polyethylene)

Característiques:

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

Typical Uses:

• Embalatge (electrònica, vidre, furniture)
• Edge protectors, foam tubes, aïllament

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

3. Escuma d'esponja (Polyurethane or PU Foam)

Característiques:

• 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, encoir

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