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1.1 This test method is designed to measure the resistance of tile surfaces to visible surface abrasion.

1.2 This procedure may be used to compare tiles of like color and finish. No provisions are made for comparing tiles of dissimilar colors and/or finishes.

1.3 Certain irregular surfaces may not be evaluated properly by this test method because of wear patterns.

1.4 This procedure does not optimally evaluate loss of gloss with abrasion.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

3.1 The abrasion resistance of tile surfaces is determined by rotation of an abrasive load on the surface and the assessment of the resultant wear by means of visual comparison of the abraded test specimens and nonabraded tiles. A staining agent in light oil may be used to help determine whether abrasion surface is likely to result in mechanical entrapment of dirt particles.