EVA

EVA or CM EVA foam
Compression Molded EVA or Ethylene vinyl acetate. A foamed midsole material that offers good cushioning and compression set. Nike™ likes to call theirs “Pylon™” but it is the same stuff whatever you call it. The most commen foam for shoe midsoles.  Easy form for by cutting, molding, injecting. It’s light and durable. EVA can be made in many grades depending on the compound. More or less filler, more or less vinyl acetate in the mix.   EVA can be made pillow soft or rock hard.

El etileno acetato de vinilo es el polímero de etileno y acetato de vinilo. El porcentaje de peso
del vinilo acetato varía de 10 a 40%, con el resto conformándose por etileno. EVA es la espuma más utilizada para el acolchado de calzado. Se puede prensar en caliente o en frío, fabricado en cualquier color y rangos de dureza.

 

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