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1.1 This specification covers asbestos-cement plastic-foam core panels consisting of a core of insulating cellular plastic sandwiched between and bonded to two sheets of asbestos-cement facing board. Asbestos-cement plastic-foam core panels are normally nonload-bearing panels designed for exterior and interior walls, partitions, curtain walls, and other insulation and decorative purposes.

1.2 All measurements and tests necessary for determining the conformity of asbestos-cement plastic-foam core panels with this specification are made in accordance with the test methods covered in Sections 6 and 10.

1.3 The values stated in SI units are to be regarded as the standard. The values stated in parentheses are provided for information only.

1.4 Warning—Breathing of asbestos dust is hazardous. Asbestos and asbestos products present demonstrated health risks for users and for those with whom they come into contact. In addition to other precautions, when working with asbestos-cement products, minimize the dust that results. For information on the safe use of chrysoltile asbestos, refer to “Safe Use of Chrysotile Asbestos: A Manual on Preventive and Control Measures.”2

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. See for a specific hazard warning.