scope:

1.1 This test method covers obtaining, preparing, and testing specimens of hardened, lightweight, insulating concrete having an oven-dry weight not exceeding 50 lb/ft (800 kg/m ).

1.2 The values stated in inch-pound units are to be regarded as standard.

1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.