Phylon is created by a compression moulding technique. Hot pressed, expanded EVA, is loaded into a mould which presses it with heat once again. This pressure and heat will create a more condensed material, however the air bubbles will expand which will create a flexible material. It´s commonly used in sport shoes as midsoles or bottom parts of EVA outsoles since the abrasion properties are better than sheeted EVA . A phylon midsole is easily identified by the small wrinkles it shows after use.
It´s generally produced by using hot pressed EVA pre-fabricates which is put into a more detailed mold to define the sole better. The mould is heated which causes the EVA to expand and form according to the shape of the mould. The mould is put into water for cooling. Once cooled the mould is opened and the soles is removed with a hook.
Phylon is made of EVA foam pellets that are compressed, heat expanded and then cooled in a mould. Compression-molded Phylon Midsoles can be sculpted into a variety of designs that are identified by their fine wrinkles. PU or Polyurethane. PU is the most dense, durable and stable midsole material.
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