ASTM F1854-09

1.1 This test method covers stereological test methods for characterizing the coating thickness, void content, and mean intercept length of various porous coatings adhering to nonporous substrates.

1.2 A method to measure void content and intercept length at distinct levels (“tissue interface gradients”) through the porous coating thickness is outlined in 9.4.

1.3 The alternate sample orientation method in 8.2 is not suitable for the tissue interface gradients method in 9.4.

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

1.5 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.

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