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เอกสารมาตรฐาน
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ASTM
C502-16
Standard Test Method for Wedging of Flat, Rectangular Ceramic Wall and Floor Tile
2016
4
ASTM Vol.15.02 (2022)
1.1 This test method covers the determination of the wedging or deviation from rectangularity of flat, rectangular wall and floor tile. The test method covers tile as defined in Terminology C242.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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 and health practices and determine the applicability of regulatory limitations prior to use.