Testing items for tiles
Hardness. The hardness of tiles determines the key performance of tiles, especially floor tiles. Hardness: 1-7, polished tile general 7, throwing glaze is generally 5-6, Microcrystalline stone is generally about 5, porcelain is generally 3-4, etc. Certainly, the determination of tiles hardness has a great relationship with production, such as firing time, temperature, press tonnage, […]
