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Breaking Strength

Breaking strength is the maximum amount of force a tile can withstand before it cracks or breaks. Considered to be an important measure of strength, it is also a standard mechanical quality metric used across all clay-based and hard-surface tiles. It helps to determine your tile's durability and suitability for floors, walls, or heavy-load areas.

What is Breaking Strength Test?

Breaking strength test means measuring the force required to break a tile under controlled conditions. While testing, the tile is supported at specific points, be it centre, corners or more, at the same time, pressure is gradually applied until it fails. Now the recorded value is known as the breaking load, indicating how well the tile can resist concentrated weight and bending stress.

Several factors can affect a tile's breaking strength, including its material, thickness, density, and manufacturing process. Porcelain tiles, for example, typically have higher breaking strength than many ceramic tiles due to their dense composition.

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Material
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Thickness
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Density
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Manufacturing Process

Tile breaking strength is especially important for:

High-traffic residential and commercial floors
Entryways, hallways, and public spaces
Outdoor installations
Areas that may support heavy furniture or equipment
Industry Standard — ASTM & ANSI

Industry standards such as ASTM and ANSI establish minimum breaking strength requirements to help ensure consistent quality and performance. Note that if a tile meets or sometimes exceeds these standards, it's better equipped to withstand everyday use without chipping or cracking.

A higher breaking strength denotes greater durability, but take into account the other performance factors, such as wear or slip resistance and water absorption, before you choose a tile. Now it's obvious that deciding whether the tile is suitable for the intended application lies in knowing its breaking strength, thus helping homeowners, renters, designers, architects, and installers.
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