The main difference between a porcelain and ceramic tile is the rate of water they absorb.
Porcelain tiles absorb less than 0.5% of water whilst ceramic and other non-porcelain tiles will absorb more.
This is down to the stuff used to make porcelain tiles.
The clay is denser and so less porous.
Is porcelain or ceramic tile better for showers?
Porcelain tile is a popular choice for bathroom floors. Porcelain is a denser, less porous and harder option that offers greater stain and water resistance than ceramic tile. Plus, it’s suitable for radiant in-floor heat to keep feet toasty on cool mornings. Porcelain offers unmatched design versatility.
How can you tell if ceramic tile is glazed or unglazed?
In the unglazed format, the surface of porcelain tile is smooth to the touch but porous in nature, which means it soaks up stains and liquids over time. If you rub your finger over unglazed ceramic tile it feels slightly rough, like a very fine sandpaper or dried-out modeling clay.
How can you tell the quality of tile?
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Ceramic tiles quality control by Ceratec – How it’s made? – YouTube
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Which is best porcelain or ceramic tiles?
CERAMIC TILE. Ceramic tiles are kiln-fired at a lower temperature than porcelain tiles, making them less dense, softer, and more porous. The clay used in its composition is also less refined, making it a more affordable, albeit less durable, option.