What is the difference between EVA foam, ایپی جھاگ, and sponge foam

1. ایوا جھاگ (ایتھیلین ونائل ایسیٹیٹ)

خصوصیات:

• Fine and uniform cell structure (ہموار سطح)
• High elasticity and toughness
• Good water resistance and durability
• Can be ڈائی کٹ, حرارت کی تشکیل, laminated, یا چھپی ہوئی easily
• Density range: 30–300 kg/m³
• میں دستیاب ہے various colors and hardness levels

Typical Uses:

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

Pros: Smooth finish, پائیدار, حسب ضرورت, غیر زہریلا
Cons: Slightly more expensive than EPE

2. ای پی ای فوم (Expanded Polyethylene)

خصوصیات:

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

Typical Uses:

• پیکیجنگ (الیکٹرانکس, glass, فرنیچر)
• Edge protectors, foam tubes, موصلیت

Pros: Low cost, good cushioning, دوبارہ استعمال کے قابل
Cons: Rougher surface, less firm than EVA, not suitable for precision cutting

3. سپنج فوم (Polyurethane or PU Foam)

خصوصیات:

• 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, بھرتی

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