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

1. EVA köpük (Etilen Vinil Asetat)

Xüsusiyyətləri:

• Fine and uniform cell structure (hamar səth)
• High elasticity and toughness
• Good water resistance and durability
• Can be kəsik-kəsik, istiliktoyan, laminated, və ya çap olunmuşdur easily
• Density range: 30–300 kg/m³
• Mövcuddur various colors and hardness levels

Typical Uses:

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

Pros: Smooth finish, davamlı, özelleştirilebilir, qeyri-toksik
Cons: Slightly more expensive than EPE

2. EPE köpük (Genişlənmiş polietilen)

Xüsusiyyətləri:

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

Typical Uses:

• Qablaşdırma (elektronika, şüşə, mebel)
• Edge protectors, foam tubes, izolyasiya

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

3. Süngər köpük (Polyurethane or PU Foam)

Xüsusiyyətləri:

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

Typical Uses:

• Seat cushions, səs udma, cosmetic sponges
• Cleaning products, gaskets, dolgu

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