Ceramic Tile Hardness Scale

In hard surface products i e ceramic tile porcelain tile stone tile etc movement joints may require a hard caulk.

Ceramic tile hardness scale.

Hardness of some common items on the mohs scale. The mohs scale is strictly a relative scale but that s all that anyone needs. 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. This hardness scale as with many hardness scales is a relative measure and doesn t give the entire picture of how durable the material being measured is.

Mohs hardness offive commercial ceramic tiles obtained by the traditional methods and by the scratching method sderometric test. 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. The pei rating indicates the tile hardness and these ratings are valuable to help in tile choices for different projects.

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. In other words shore hardness is a measurement of a product s ability to resist a concentrated pressing load. The moh s scale uses ten fairly common minerals of known hardness and gives each of them a relative value of 1 10. Mohs hardness scale is applied to flooring tiles to show how hard their surface is.

The pei rating is and indication of tile hardness and pei floor ratings are valuable to guide tile choices for different projects. 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. A car tire has a shore type d hardness rating of 15 while a hardhat has a hardness rating of 80.