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Historically, vitrification is most associated with ceramics. In this field, it is the process of heating the clay into a liquid state and then rapidly cooling it. This turns some of the clay into glass and changes the material properties. For instance, vitrification typically results in a material that is less porous and benefits from improved water resistance.
A similar process occurs when our Vitrified Composite product is manufactured. With decking, which is regularly exposed to the elements and needs to be durable and long-lasting, it’s clear why qualities like improved water resistance are desirable.
During the vitrification process, fundamental changes occur in a material’s chemistry. So far, we have referred to the products of vitrification as ‘glass or glass-like materials’. A more scientific definition would be non-crystalline amorphous solids.
These non-crystalline amorphous solids have a higher percentage of glassy chemical bonds than their constituent materials, making them stronger and less porous in the process.