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  4. What is PSI and why/how does it effect blades?
PSI stands for “Pounds Per Square Inch” and normally refers to the amount of weight a material can support/withstand. Higher PSI’s can be achieved by using pressure to create manufactured materials that are very dense. This density provides strength but can also increase the rate of blade glazing.

PSI is a common term in the work of masonry and Hardscapes. Different material types such as paver brands, brick brands, and block brands all have different PSI’s and are usually chosen for a certain application. The higher the PSI, the tougher the material, thus making it harder to cut such as a hard porcelain vs a soft marble. Check with you material’s manufacturer documentation for the PSI rating.
PSI stands for “Pounds Per Square Inch” and normally refers to the amount of weight a material can support/withstand.

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