ASTM-C806 2004

1.1 This test method covers the determination of length changes of expansive cement mortar, while under restraint, due to the development of internal forces resulting from hydration of the cement.

1.2 The values stated in non-SI units are to be regarded as the standard. When both the inch-pound units and the SI units are present, the non-SI units are to be regarded as the standard. The values in SI units are approximate, are listed for information only, and will likely provide different values than the inch-pound units.

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. (Warning-Fresh hydraulic cement mixtures are caustic and may cause burns to skin and tissue upon prolonged exposure.)

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