Ceramic Tile Hardness Scale

Mohs hardness offive commercial ceramic tiles obtained by the traditional methods and by the scratching method sderometric test.

Ceramic tile hardness scale.

In hard surface products i e ceramic tile porcelain tile stone tile etc movement joints may require a hard caulk. The wood hardness scale gives part of the picture of how scratch resistant wood is like the mohs scale of hardness addresses the scratch resistance of. Hardness of some common items on the mohs scale. In terms of absolute hardness diamond hardness 10 in the mohs scale actually is 4 times harder than corundum hardness 9 in the mohs scale and 6 times harder than topaz hardness 8 in the mohs scale because it isn t made for that kind of precision.

To give the consumer a relative measurement of scratch resistance of tile and stone manufacturers and suppliers use the moh s hardness scale. The moh s scale uses ten fairly common minerals of known hardness and gives each of them a relative value of 1 10. Ceramic and porcelain tiles are rated though most people seem to be more concerned about the. The pei scale was established by the porcelain enamel institute to help create standards consumers could rely on to help determine which tiles to buy for which purpose.

The results presented in table 1 show that in a b and c ceramic tiles the mohs hardness values are higher for the scratching method than for the traditional method. 2 2 5 fingernail 2 5 3 gold or silver jewelry 3 3 5 copper coin 4 5 iron 5 6 b2b ceramic tile 5 5 steel knife blade 6 7 glass 6 5 steel nail 7 b1a porcelain tile 7 hardened steel file 8 5 masonry drill bit 9 quartz crystal 10 diamond. The mohs scale is strictly a relative scale but that s all that anyone needs. The pei rating indicates the tile hardness and these ratings are valuable to help in tile choices for different projects.

The pei rating is and indication of tile hardness and pei floor ratings are valuable to guide tile choices for different projects. A car tire has a shore type d hardness rating of 15 while a hardhat has a hardness rating of 80. In other words shore hardness is a measurement of a product s ability to resist a concentrated pressing load.