EVA (Technicaly named Ethylene Vinyl Acetate)
EVA is one of the best shock absorption materials available today. This is why all the major top-line brand joggers use this material, due to the great combination of shock absorption with the light weight of the sole.
EVA outsole is the lightest among all kinds of outsoles.
The feature of Eva sole:
Water resistance: closed cell structure, non-absorbent, moisture, water resistance is good.
Corrosion resistance: resistant the sea water, oils and fats, acid, alkali other chemicals, corrosion, anti-bacterial, non-toxic, tasteless, non-polluting.
Processing: no connection, and easy pressing, cutting, gluing, laminating and other processing.
Anti-vibration: resilience and tensile strength, high toughness, good shock cushioning.
Insulation: insulation, thermal insulation and cold temperature performance, may be resistant to cold and exposure.
Sound insulation: Closed foam sound insulation.
EVA sole is very commonly used for middle sole of shoes part, Insole or outsole of sport shoes, soles of slipper or flip flop.
The rubber sole material can be classified into natural rubber or synthetic rubber
The advantages of natural rubber is that it is very soft, very good flexibility, suitable for all kinds of sports, but the drawback is also very obvious that is very wearable. Indoor sports shoes with natural rubber.
We can always see the sports shoes ,basketball shoes and indoor football shoes coach shoes are made of rubber outsoles.