Ceramic Tile Breaking Strength

It is associated to the force by which a tile responds when subjected to stress which can break it.

Ceramic tile breaking strength.

For ceramic porcelain stoneware floor tiles bending strength is the perfect indicator of mechanical strength. A measurement of pounds required to cause a tile to break. It is a load limit value applied to three points which the ceramic or porcelain stoneware tile can bear without breaking. Not all ceramic and porcelain tiles are equally strong and durable.

Some can withstand heavy foot traffic while others are only suitable for decorative wall installations. Based on the mohs hardness scale. Most tiles comply with astm c648 breaking strength standards. Results given in pounds at which the tile broke in testing.

As long as the tile does not break under 250 pounds of pressure the tile is considered to be compliant with these standards. Based on astm testing standards. As the plywood under the tiles flexes especially along floor joists the flexing can cause the floor tiles to crack. The break strength of a tile is the amount of weight that it can withstand unsupported before it breaks.

In this test floor tiles are run through a machine that exerts loads on an unsupported 1 inch square area. Answer the breaking strength minimum industry requirement for ceramic tile is a laboratory test of what is mostly an unsupported tile and isn t directly meaningful in terms of determining what kind of dead and live loads it can endure. Evaluate the break strength rating in comparison with industry requirements. Breaking strength of its based on the 68 95 99 7 rule about what percent of its popular porcelain tile will have breaking strengths greater than 412 5 pounds per square inch.

Ceramic tile laid over plywood is more susceptible to cracking due to the flexible nature of the plywood. If you re looking at a break strength lower than that you can t use that tile on the floor. Most tiles meet the 250 pound minimum. Most reputable lines of porcelain tiles are rated for use by the porcelain enamel institute pei abrasion test.

A measurement of the resistance of a tile when scratched by ten reference materials gypsum fluorite quartz diamond etc. The ansi requires a break strength of at least 250 lbs.