The primary distinction between porcelain and ceramic lies in density and absorption rates. Porcelain tiles are crafted from highly refined clays and fired at extreme temperatures, resulting in a material with a water absorption rate of 0.5% or less. Ceramic tiles are less dense and porous, which makes them easier to cut but less durable in high-moisture or high-traffic settings. Porcelain is the preferred choice for external applications and areas with frequent water exposure.

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