1. Apply a few drops of tea or water on the back of the tile. After a few minutes, check how much the liquid is absorbed. If the water doesn't soak in or only absorbs slightly, it indicates low water absorption, which is a sign of high-quality porcelain.
2. Tap the tile gently with your fingers or a small object. A clear, crisp sound suggests that the tile is dense and well-fired, which usually means higher quality and better hardness. A dull sound may indicate lower density and weaker structure.
3. Use a sharp object to scratch the surface of the tile. If scratches appear easily, it means the glaze is not durable. Once the glaze wears off, the tile's surface will be harder to clean and maintain over time.
4. Examine the color of the tile. High-quality tiles have vibrant, natural colors that are consistent and vivid. If the color looks dull or uneven, it may suggest lower porosity and inferior manufacturing quality.
5. When purchasing, look closely at the tile’s surface from a distance of about one meter. If you can see pinholes or tiny imperfections, it could mean that the glaze hasn’t fused properly. These flaws can trap dirt and make the tile harder to clean.
6. Check for warping by looking at the edge of the tile with your naked eye. If the tile is bent or warped, it may affect its stability and durability in the long run, especially when installed in large areas.
By following these simple tests, you can better assess the quality of ceramic tiles before making a purchase. It’s always a good idea to inspect the tiles carefully and, if possible, ask the seller for additional information about the product’s origin and specifications. This ensures you get a reliable and long-lasting tile that meets your expectations.
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