The ability of glazed tiles to resist surface abrasion encountered in everyday use is determined by abrading the glazed surface either with a wet abrasive media consisting of steel balls of 1 to 5 mm diameter, aluminum oxide abrasive powder, and distilled water; or with a dry abrasive media consisting of porcelain cylinders and Aluminum Oxide Abrasive Powder.
The test is conducted by holding a number of test specimens on a flat horizontal disc. The disc is rotated at a speed of 300 rpm with the axis of rotation 22.5 mm out. This causes the abrasive load placed above the test specimen to rub over the surface of test specimen in a circle of 45 cm diameter. The abrasive load is kept in place over the test surface inside a rubber lined cylindrical metallic ring. The ring also keeps the test specimen firmly pressed against the metallic disc.
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The Price mentioned here are subject to change as per the capacity,specifications and application of the user.