The two common erosion mechanisms are surface and bulk erosion.Surface eroding polymers do not allow water to penetrate into the material. They erode layer by layer, like a lollipop. Bulk eroding polymers take in water like a sponge (throughout the material) and erode inside and on the surface of the polymer.

bulk erosion (Найдено пользователем 10-4 Karabas)

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