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

1. EVA Ŝaŭmo (Etilena vinil -acetato)

Trajtoj:

• Fine and uniform cell structure (glata surfaco)
• 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, iloj)
• Shoe soles, kneeling pads, ludiloj

Pros: Smooth finish, Daŭrebla, agordebla, ne-toksa
Cons: Slightly more expensive than EPE

2. EPE Ŝaŭmo (Vastigita Polietileno)

Trajtoj:

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

Typical Uses:

• Pakado (Elektroniko, glass, mebloj)
• Edge protectors, foam tubes, izolado

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

3. Sponge Ŝaŭmo (Polyurethane or PU Foam)

Trajtoj:

• Malfermĉela strukturo (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, remburaĵo

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