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

1. Eva foam (Étiléna Vinyl Asétat)

Fitur:

• Fine and uniform cell structure (beungeut laut)
• High elasticity and toughness
• Good water resistance and durability
• Can be die-cut, heat-formed, laminated, atawa dicitak easily
• Density range: 30–300 kg/m³
• Aya di various colors and hardness levels

Typical Uses:

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

Pros: Smooth finish, awét, Kustomisasi, non-toksik
Cons: Slightly more expensive than EPE

2. EPE Busa (Poliétilen anu diperpanjang)

Fitur:

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

Typical Uses:

• Bungkusan (éléktronika, sagelas, parabot)
• Edge protectors, foam tubes, insulasi

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

3. Busa bolu (Polyurethane or PU Foam)

Fitur:

• Open-cell structure (soft and breathable)
• Very compressible and comfortable
• Absorbs water easily
• Density range: 10–60 kg/m³

Typical Uses:

• Seat cushions, nyerep sora, cosmetic sponges
• Cleaning products, gaskets, padding

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