Sandwich panel cores may change plan dimensions when heated. It is prudent to know if this may be a problem with the final part dimensions.

1.1 This test method covers the determination of the sandwich core dimensional stability in the two plan dimensions.

1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given may be approximate.

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.